NASA astronauts (from left) Chris Williams and Jack Hathaway, both Expedition 74 flight engineers, pose for a portrait inside the International Space Station’s cupola.Credit: NASA/Jessica Meir New science experiments are getting underway and new research hardware is being activated aboard the International Space Station after being delivered by a Cygnus XL cargo spacecraft on Monday. [...]
Explore This Section Earth Earth Observer Editor’s Corner Feature Articles Meeting Summaries News Science in the News In Memoriam Announcements Archives 2 min read 2026 NSTA Hyperwall Schedule NASA Science at NSTA Hyperwall Schedule, April 16-18, 2026 Join NASA in the Exhibit Hall (Booth #1265) for Hyperwall Storytelling by NASA experts. Full Hyperwall Agenda [...]
3 Min Read NASA’s SPHEREx Mission Maps Water Ice Throughout Cygnus X PIA26748 Credits: NASA/JPL-Caltech/IPAC/Hora et al. Photojournal Navigation Science Photojournal NASA’s SPHEREx Mission Maps… Photojournal Home Photojournal Search Latest Content Galleries Feedback RSS About Downloads NASA’s SPHEREx Mission Maps Water Ice Throughout Cygnus X JPEG (1.99 MB) PIA26748 Figure A JPEG (6.64 [...]
6 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Water ice highlighted Interstellar dust highlighted These observations made by NASA’s SPHEREx mission reveal vast frozen complexes in the Cygnus X star-forming region of the Milky Way galaxy. Water ice, shown as bright blue structures at left, exactly overlays the dark lanes of interstellar [...]
NASA/Helen Arase Vargas NASA’s Artemis II crew – NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen – smile at friends, family, and colleagues. They shared brief remarks with the crowd after landing at Ellington Airport near NASA’s Johnson Space Center in Houston on Saturday, April 11, [...]
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Photo of the Day Why does Comet R3 (PanSTARRS) have a wispy tail? The newest bright member of the inner Solar System, Comet C/2025 R3 (PanSTARRS) is already extending an impressive stream of glowing gas. This tail starts from an unseen central nucleus of dirty ice that is likely a few kilometers across. The [...]
Trumpler 3 and NGC 2353 (Labeled). X-ray: NASA/CXC/Penn State Univ/K. Getman; Optical/IR: PanSTARRS; Image Processing: NASA/CXC/SAO/N. Wolk Scientists have found that young stellar cousins of our Sun are calming down and dimming more quickly in their X-ray output than previously thought, according to a new study using NASA’s Chandra X-ray Observatory. A paper describing [...]
2 min readPreparations for Next Moonwalk Simulations Underway (and Underwater) NASA/Keegan Barber Since it began in 1958, NASA has been charged by law with spreading the word about its work to the widest extent practicable. From typewritten press releases to analog photos and film, the agency has effectively moved into social media and other online [...]
