NASA's Artemis II launched on April 1, 2026, marking the first crewed flight of the Orion spacecraft. Astronauts Reid Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen splashed down on April 10 after a 252,756-mile journey, setting a record for human space travel distance. The mission aims to advance lunar exploration and prepare for Mars.

NASA announced that the Nancy Grace Roman Space Telescope will launch in September 2026, ahead of schedule and under budget. SpaceX's Falcon Heavy will deploy it to the Sun-Earth L-2 Lagrange point. Roman aims to discover tens of thousands of planets and billions of galaxies over its five-year mission, complementing the James Webb Space Telescope.

The Pentagon's fiscal year 2027 budget focuses on operationalizing the Golden Dome initiative, which aims to enhance defense capabilities. This budget reflects a strategic shift towards more proactive measures in national security. The initiative is expected to streamline operations and improve readiness, ensuring that the military can effectively respond to emerging threats in a dynamic global landscape.

Professor Hiroko Miyahara and researchers at the Okinawa Institute of Science and Technology have developed a method to detect sub-extreme solar proton events (SPEs) using carbon-14 measurements from buried trees. Their findings link historical auroral sightings, recorded in poetry during the Medieval Solar Activity Maximum, to solar activity fluctuations, enhancing understanding of past solar weather.

JAXA plans a test launch of its H3 rocket on June 10, 2026, carrying a dummy payload to validate structural improvements following a December 2025 failure. The previous launch's failure stemmed from an adhesion issue in the satellite mounting structure. The upcoming test aims to assess a new mounting system to enhance payload integrity for future missions.

Astronomers observed jets from the black hole Cygnus X-1 cannibalizing a blue supergiant star, measuring their power at 10,000 suns. Utilizing data from the Square Kilometre Array (SKA), they found jets traveling at 336 million mph. This research enhances understanding of energy dynamics in black hole systems, confirming that jets carry away 10% of the energy from accretion.

NASA's Ames Research Center significantly contributed to Artemis II, enhancing the Orion spacecraft's heat shield and aerothermal simulations. The mission, launched on April 1, 2026, marked the first crewed lunar flight in over 50 years, with astronauts Reid Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen aboard. Key innovations included 3D-MAT compression pads and advanced modeling tools for safer reentry.

NASA received two Webby Awards and five Webby People’s Voice Awards at the 30th Annual Webby Awards, recognizing excellence in various media types. Notable wins include the Curious Universe Podcast and Webb Telescope social media initiatives. Since 1998, NASA has won 51 Webbys and 72 People’s Voice Awards, showcasing its digital engagement success.

DBF hosted aerospace engineering students who investigated the optimal applications of AI in their field. The event emphasized the integration of artificial intelligence into aerospace design and operations, showcasing innovative projects and research. Students collaborated to identify challenges and solutions, aiming to enhance efficiency and safety in aerospace systems through advanced AI technologies.

Star parties are informal gatherings where amateur astronomers share their telescopes and knowledge of the night sky with the public and fellow enthusiasts. These events serve as a social highlight for many in the astronomy community, fostering connections and promoting interest in celestial observation. Preparation is key to maximizing enjoyment and engagement during these gatherings.

NASA rolled out the core stage of the Space Launch System (SLS) rocket for the Artemis 3 mission on April 20, 2026, from Michoud Assembly Facility to the Pegasus barge. This milestone advances preparations for the targeted mid-2027 launch, which will involve testing rendezvous operations with Orion and private lunar landers, including SpaceX's Starship and Blue Origin's Blue Moon.

U.S. Navy successfully tested the GBU-75 JDAM-LR from an F/A-18 Super Hornet, achieving a range of 200 nautical miles. The JDAM-LR, developed by Boeing with a Kratos turbojet engine and Ferra Engineering wings, enhances strike capabilities. Capt. Sarah Abbott noted it allows safer engagement distances, maintaining tactical advantages in contested environments. Further testing is planned for operational deployment.

NASA will provide live coverage of the Progress 95 spacecraft launch on April 25, 2026, at 6:21 p.m. EDT from Baikonur Cosmodrome. The uncrewed spacecraft will carry three tons of supplies to the International Space Station. It will dock autonomously on April 27, remaining attached for seven months before re-entering Earth's atmosphere to dispose of trash.

Vice Adm. Robert Gaucher emphasized that delivering the first Columbia-class submarine, the District of Columbia, by 2028 will be a “wicked heavy lift.” The Navy aims for a one-per-year delivery cadence, despite previous delays. General Dynamics Electric Boat and HII's Newport News Shipbuilding are accelerating module deliveries to meet this target, with full-rate construction expected in the early 2030s.

On April 21, 1994, astronomers announced the first unambiguous proof of exoplanets, confirming earlier research from 1992. These newly discovered planets outside our solar system were unexpected, as they were associated with neutron stars, the second densest objects in the universe after black holes, which form from the remnants of giant stars that have died.

China Aerospace and Technology Corporation (CASC) unveiled its first reusable five-meter-wide composite propulsion module on April 11th, marking a significant advancement in China's aerospace sector. The module, designed for the Long March 10, incorporates over 60% composite materials and can withstand axial loads of up to 1,000 metric tons, enhancing payload capacity for future missions.

The Lyrid meteor shower peaks tonight, offering the best viewing conditions in the early morning hours of April 22. Expect up to 20 meteors per hour, with the moon setting around midnight. For optimal viewing, find a dark location and allow your eyes to adjust. Enjoy the celestial display as Earth passes through debris from Comet Thatcher.

Looking for a sky event this week? Check out our full Sky This Week column. April 20: A trio of predawn planets Have you had a chance to spot Comet C/2025 R3 (PanSTARRS) yet? It’s sinking quickly toward the horizon in the Northern Hemisphere, so if you have clear skies this morning, give it a try.

SpaceX completed two launches on April 20 and 21, 2026. The first launch deployed 25 Starlink satellites using Falcon 9, marking its first stage's 8th flight. The second launch delivered a GPS satellite for the Space Force, with the first stage completing its 7th flight. This shift from ULA to SpaceX marked the fastest contract-to-launch timeline for the Space Force.

SpaceX's Falcon 9 rocket is set to launch the final GPS III satellite, designated Space Vehicle 10 (SV10), for the U.S. Space Force on April 20, 2026. Liftoff from Cape Canaveral is scheduled for 2:53:25 a.m. EDT. This mission utilizes booster B1095, marking its seventh flight, and aims for recovery on the drone ship 'Just Read the Instructions.'

Max Planck Institute for Extraterrestrial Physics researchers disentangled the Solar System's soft X-ray glow from cosmic background emissions using eROSITA data from 2019 to 2021. This breakthrough enables the study of solar wind charge exchange emissions, revealing solar activity's impact on X-ray levels and confirming the existence of a

NASA's Orion spacecraft successfully completed its Artemis II mission, splashing down on April 10, 2026, after a 694,481-mile journey. Engineers are analyzing performance data from the SLS rocket and launch systems. Initial assessments indicate the heat shield performed well, with reduced char loss compared to Artemis I, and the crew module will undergo further inspections at Kennedy Space Center.

Falcon 9 is set to launch GPS III SV10 on April 21, 2026, at 2:53 AM EDT, marking the final satellite of the first-generation GPS III contract. This mission features a Tesat-Spacecom SCOT80 optical communications terminal for a laser communications demonstration. Additionally, Falcon 9 will deploy 25 Starlink v2 Mini satellites on April 22, 2026, enhancing SSO coverage.

NASA rolled out the core stage of the SLS rocket for the Artemis III mission on April 20, 2026, transporting it from the Michoud Assembly Facility to the Pegasus barge. This stage, measuring 212 feet tall, will provide over 2 million pounds of thrust using four RS-25 engines, crucial for the crewed lunar landing planned for 2027.

SpaceX achieved its 600th successful rocket landing with the recovery of Falcon 9 booster B1097 after deploying 25 Starlink satellites into low Earth orbit on April 19, 2026. This milestone marks the eighth landing for this booster and the 47th Falcon 9 launch of the year, contributing to over 10,275 satellites in the constellation.

Reflecting on his twenties, the author realizes he sought validation from unsupportive people, mistaking attention for genuine support. He emphasizes the importance of self-respect over external approval, recognizing that suffering stems from attachment to others' expectations. The author advocates for examining what truly serves personal growth rather than performing for an imaginary audience.

NASA has invited media to cover SpaceX's 34th Commercial Resupply Services mission, targeting launch no earlier than May 12, 2026. The Falcon 9 rocket will deliver over 5,000 pounds of science, supplies, and hardware to the International Space Station. This mission includes experiments on microgravity effects and new treatments for osteoporosis, enhancing research capabilities in space.

NASA's study reveals that astronauts face grip strength challenges due to microgravity. Researchers from Université catholique de Louvain found that astronauts exerted excessive force in space and struggled to adjust upon returning to Earth. This misinterpretation of sensory feedback could impact astronaut safety during future missions, including those related to Artemis 2.

Dave Eicher, Editor Emeritus of Astronomy magazine, encourages viewers to observe the Lyrid meteors peaking around April 23. This year, the Moon's position will enhance visibility, potentially allowing observers to see up to 20 meteors per hour. Eicher wishes viewers good luck in their meteor-watching endeavors during this celestial event.

NASA's X-59 quiet supersonic research aircraft achieved a critical milestone by transitioning to wheels up during its test campaign on April 14, 2026. This advancement marks significant progress towards supersonic flight, with the aircraft demonstrating its highest speeds and operational range. Future tests will evaluate control performance, structural dynamics, and the eXternal Vision System's functionality.

The Lyrid meteor shower peaks on April 22, 2026, with numerous livestreams available for viewing. Locations include Mauna Kea in Hawaii, Atacama Desert in Chile, and Mount Fuji in Japan. These streams provide opportunities to observe meteors and engage with fellow viewers through live chats, enhancing the experience of this celestial event.

L3Harris Technologies plans a $1.27 billion expansion in Virginia to enhance solid rocket motor production for the Department of Defense. Announced on April 15, the Virginia Advanced Propulsion Facilities will double the site's manufacturing space. This follows a $1 billion investment from the DoD to boost L3Harris's missile program capacity, creating 350 jobs over five years.

NASA's Widely Attended Gatherings (WAGs) determinations include numerous events from 2024 to 2026, such as the Artemis II Pre-launch Reception and various receptions hosted by SpaceX and other organizations. These gatherings facilitate networking and collaboration within the aerospace community, highlighting significant milestones and initiatives in space exploration and technology development.

Blue Origin launched its third New Glenn rocket carrying the AST SpaceMobile Bluebird 7 satellite, which unfortunately ended up in the wrong orbit. The rocket successfully re-flew a previously used first stage, but the payload's off-nominal orbit represents a setback for AST SpaceMobile's plans to deploy a constellation of 60 satellites for global cellular broadband service.

Mad Cave Studios is set to release a comic book sequel to the 1984 cult classic The Last Starfighter on July 1, 2026. Written by Benjamin Raab and Deric A. Hughes, the series continues the story of Alex Rogan, who must rebuild the Star League to combat Xur and the Ko-Dan Armada, introducing new characters and challenges.

The Lyrid meteor shower peaks on April 22, 2026, at 4 p.m. EDT, with optimal viewing before dawn. Expect up to 18 meteors per hour radiating from near Vega in Lyra. The 27%-lit moon sets around 2 a.m., enhancing visibility. Seek dark areas away from city lights for the best experience.

Jorge Peñarrubia and Ethan O. Nadler propose that dwarf spheroidal galaxies evolve toward a stable configuration, termed a 'dynamical attractor.' This process involves chaotic interactions with 'dark subhaloes,' which impart energy to stars, influencing their orbits. This research addresses the 'cusp-core problem,' challenging existing dark matter theories and galaxy formation models.

Dave Weixelman captured Comet C/2025 R3 (PanSTARRS) rising over Death Valley's desert landscape during the early morning hours of April 14, 2026. The photograph combines 5 minutes of sky exposure using a Canon Ra mirrorless camera at ISO 1600 with an 85mm lens set to f/2, showcasing the comet's lengthy tail.

April 19 featured a celestial event as the Moon passed above the Pleiades. Mercury was observed passing 0.5° south of Saturn at 4 A.M. EDT, followed by Mars passing 1.3° north of Saturn at 2 P.M. EDT. For more sky events, refer to the full Sky This Week column.

NASA selected SpaceX's Falcon Heavy to potentially launch the Rosalind Franklin rover to Mars by late 2028 for a reported $175.7M. However, the White House's FY2027 budget proposal suggests canceling NASA's participation in the mission, putting its future in jeopardy. This marks NASA's second attempt at an ExoMars partnership after previous cancellations due to budget constraints.

AST SpaceMobile’s BlueBird 7 was declared lost after its deployment into an incorrect orbit following the New Glenn launch. The satellite, intended for 4G/5G connectivity, was placed in a 154 x 494 km orbit, too low for operational thrusters. Blue Origin is assessing the anomaly while AST SpaceMobile plans to recover costs via insurance.

Blue Origin successfully launched its New Glenn rocket for the third time, reusing the first stage, which landed successfully. However, the mission failed to place AST SpaceMobile's Bluebird-7 satellite in the correct orbit, resulting in its loss. This launch marks Blue Origin's first commercial mission, despite its ongoing reputation for slow operations and the satellite's failure.

U.S. Space Force is evaluating the potential for Vulcan flights without solid rocket boosters under investigation, according to Lt. Gen. Philip Garrant. This adjustment could allow lower-energy missions to proceed while SpaceX handles critical national security launches. The situation impacts future National Security Space Launch contracts, emphasizing the need for a third launch provider amid current supply constraints.

SpaceX's Falcon 9 is set to launch the GPS III SV10 satellite for the U.S. Space Force on April 20, 2026, at 2:57 a.m. EDT. This mission marks the final satellite in the GPS III series, enhancing positional accuracy and jam resistance. The Falcon 9's first stage will return to Earth, marking its seventh flight.

Blue Origin's New Glenn rocket successfully launched the BlueBird 7 satellite, but it was deployed into an incorrect orbit. The launch occurred on April 19, with the first stage recovery executed successfully. AST SpaceMobile's BlueBird 7 aims to enhance cellular broadband capabilities in low Earth orbit, but its current status remains uncertain following the launch anomaly.

Danny Boyle's Sunshine (2007) explores a solar catastrophe, contrasting with the more uplifting Project Hail Mary. While both films feature astronauts facing imminent doom, Sunshine delves into psychological horror, influenced by Alien. The Icarus II mission aims to reignite the dying Sun, grounded in scientific theories, including insights from physicist Brian Cox.

Blue Origin's New Glenn experienced a second stage malfunction during its third flight on April 19, resulting in the BlueBird 7 satellite being stranded in an unrecoverable orbit. The payload was deployed into a 154 by 494 km orbit, too low for operational recovery. AST SpaceMobile expects to recover costs through insurance for the lost satellite.

The Lyrid meteor shower peaks on April 22, offering ideal viewing conditions with a dark sky post-moonset. Observers can expect 10 to 20 meteors per hour, originating near the star Vega in the constellation Lyra. This annual event is linked to Comet Thatcher, which last appeared in 1861 and will return in 2276.

April 18 features Venus transitioning into Taurus, with the Moon passing 5° north of Venus at 5 A.M. EDT and later passing 5° north of Uranus at 2 P.M. EDT. By evening, the Moon is over 2.5 days old and approximately 10 percent illuminated. For more details, refer to the full Sky This Week column.

Blue Origin's New Glenn rocket is set for its third flight, launching the BlueBird 7 satellite for AST SpaceMobile on April 19, 2026. This mission marks the first reuse of the booster, 'Never Tell Me the Odds', which previously launched in November 2025. The rocket's engines have been replaced for this flight, enhancing performance.

Blue Origin's New Glenn rocket is set for its third mission on April 19, 2026, reusing the Never Tell Me The Odds booster, previously used for NASA's ESCAPADE mission. This launch will deploy AST SpaceMobile's BlueBird 7 satellite into LEO, enhancing cellular broadband services. Successful reuse would position Blue Origin as the second company to achieve this milestone.

The poem critiques the juxtaposition of NASA's lunar ambitions with ongoing military conflicts, highlighting the disconnect between aspirations for humanity and the realities of civilian suffering. It questions the motivations behind space exploration, suggesting that the promise of space is overshadowed by hypocrisy and the plight of displaced children, urging a more humane approach to future endeavors.

The Lyrid meteor shower returns, peaking in 2026. Observers should locate the constellation Lyra, particularly the star Vega, to enhance visibility. Ideal conditions allow for 15-20 meteors per hour. Avoid looking directly at the radiant, face dark skies, and let your eyes adjust for optimal viewing. Capture the moment with photography tips provided.

Katalyst has initiated final ground testing of its LINK spacecraft, designed for the Gehrels-Swift rescue mission, at NASA's Goddard Space Flight Center. Following a contract awarded by NASA, LINK will undergo vibration and thermal tests before being integrated into Northrop Grumman's Pegasus rocket for a potential launch later this year to prevent the telescope's orbital decay.

SpaceX has secured its first Mars launch with NASA selecting its Falcon Heavy rocket to deploy the Rosalind Franklin rover in late 2028. This mission, part of the ExoMars program, aims to search for signs of life on Mars. NASA will provide crucial support, including a propulsion system and specialized instruments for the rover's scientific objectives.

Blue Origin's New Glenn rocket is set to launch for the third time on April 19, 2026, utilizing a previously flown first-stage booster. The NG-3 mission will deploy the BlueBird 7 satellite into LEO. This milestone aims to enhance Blue Origin's reusability capabilities, positioning it against SpaceX's established rockets like Falcon 9.

Venus transitions into Taurus on April 17, creating an ideal opportunity for skywatchers. The evening features a stunning view with Venus accompanied by a delicate crescent Moon in the western sky. Both celestial bodies are positioned beneath the sparkling star cluster M45, offering a picturesque scene for astronomy enthusiasts and casual observers alike.

SpaceX is set to achieve its 600th Falcon booster landing during the Starlink 17-22 mission on March 13, 2026. The Falcon 9 rocket, utilizing booster B1097 for its seventh flight, will deploy 25 satellites into LEO. Liftoff from Vandenberg Space Force Base is scheduled for 7:33:40 a.m. PDT, with landing on drone ship OCISLY expected shortly after.

Brad Bradington's rapid movement through a crowd illustrates Cherenkov radiation. As he exceeds the local speed of light, flashes of light from disturbed atoms pile up, creating a coherent wave, akin to a sonic boom. This phenomenon, first observed by Pavel Cherenkov in 1934, results in a blue glow, demonstrating the particle's interaction with its medium.

Col. Tim Trimailo discussed the Space Force's collaboration with industry in the latest episode of Space Minds. The conversation highlighted the service's desire for innovation from new companies and the urgency driving these partnerships. Sponsored by Nightwing, the podcast explores the evolving landscape of national security and the importance of advanced capabilities in space operations.

NASA has approved the provision of rocket, landing engines, and radioisotope heater units for Europe's Mars Franklin rover, selecting a Falcon Heavy for its 2028 launch. Originally, Russia was to supply the lander, but was removed from the project following its 2022 invasion of Ukraine. Airbus and Sener now hold contracts for its development.

Project Hail Mary by Andy Weir exemplifies a unique blend of hard and speculative science fiction, balancing scientific accuracy with imaginative storytelling. While the novel successfully navigates this complex terrain, the film adaptation diverges significantly, leaning more towards speculative elements. This distinction highlights the challenges of translating intricate scientific concepts into cinematic narratives without losing their essence.

April's new moon on April 17, 2026, offers optimal conditions for stargazing, revealing planets like Venus, Jupiter, and Uranus. The constellation Hydra can be observed alongside others such as Leo. This period is ideal for night sky photography, as the absence of moonlight enhances visibility of celestial objects and constellations.

NASA's Commercial Satellite Data Acquisition (CSDA) program approved Satellogic's NewSat constellation data for scientific use following a quality assessment report issued on March 9, 2026. The evaluation revealed strong radiometric accuracy and geometric performance, with the Mark IV sensor rated

U.S. Air Force airmen conducted tests of Anduril's YFQ-44A semiautonomous combat drone at Edwards Air Force Base. The exercise aimed to enhance the Collaborative Combat Aircraft program, demonstrating the drone's ease of maintenance and operational capabilities. The Air Force plans to acquire at least 1,000 CCAs for various missions alongside manned aircraft like the F-22 and F-35.

Researchers in Japan analyzed small Trojan asteroids using the Suprime-Cam on the Subaru Telescope, discovering that these asteroids do not exhibit the same color-coding as larger Trojans. Their findings challenge existing theories about asteroid formation, revealing an even spectral distribution among smaller Trojans, contrasting with the distinct

Russia and China each completed launches on April 17, 2026. Russia's Soyuz-2 rocket deployed a classified military payload involving multiple spacecraft from Plesetsk, with debris falling into the ocean. China's Long March 4C launched a greenhouse gas detection satellite from Jiuquan, but details on the rocket's lower stages remain undisclosed. SpaceX leads with 46 launches this year.

Comet R3 Pan-STARRS is nearing perihelion on April 19, 2026, at 0.499 AU from the Sun. It displays a green coma and a dust tail, with visibility improving as it approaches Earth. The comet's closest approach occurs on April 26, 2026, at 0.523 AU. Observations will be aided by NASA and NOAA technologies.

The James Webb Space Telescope (JWST) has captured stunning images of the Lobster Nebula, revealing a vibrant region of star formation. The observations highlight the intricate structures of gas and dust, showcasing the dynamic processes involved in starbirth. This discovery enhances our understanding of galaxy formation and the lifecycle of stars within the universe.

STARMUS VIII will celebrate the 10th anniversary of the Stephen Hawking Medal for Science Communication and the launch of the Jane Goodall EARTH Medal. The festival will feature Nobel Prize laureates, astronauts, and leading thinkers, gathering in Tenerife. The first confirmed speakers have been announced, promising an engaging lineup for attendees interested in science and communication.

A surge of solar wind, traveling at 700 km/s, may trigger geomagnetic storms tonight, potentially allowing the northern lights to be visible as far south as Illinois and Oregon. NOAA has issued a G2 storm watch, with chances of G3 activity. Optimal viewing times are from 5 p.m. to 2 a.m. EDT tonight.