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    Bad news for astronauts? Human stem cells age more rapidly in space, study suggests

    space.com1 hour ago

    Bad news for astronauts? Human stem cells age more rapidly in space, study suggests

    Spaceflight may make certain types of human stem cells age faster, a study suggests — but at least some of the damage may be reversible. Spending time aboard the International

    Apple TV+'s sci-fi saga 'Foundation' is getting a Season 4: 'We look forward to continuing the epic'

    space.com2 hours ago

    Apple TV+'s sci-fi saga 'Foundation' is getting a Season 4: 'We look forward to continuing the epic'

    Ah, it’s wonderful to be a sci-fi fan these days as this summer’s streaming roster has been sufficiently crammed with riveting shows like “Star Trek: Strange New Worlds,” “Invasion,” “Alien:

    NASA Rideshares Integrated Ahead of Launch

    nasa2 hours ago

    NASA Rideshares Integrated Ahead of Launch

    Technicians completed integrating NASA’s Carruthers Geocorona Observatory and the National Oceanic and Atmospheric Administration’s (NOAA) Space Weather Follow-On Lagrange 1 (SWFO-L1) satellite to an Evolved Expendable Launch Vehicle Secondary Payload

    Arctic Sea Ice Reaches Annual Low

    nasa3 hours ago

    Arctic Sea Ice Reaches Annual Low

    4 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Daily images of ice cover in the Arctic Ocean (left) and around Antarctica reveal sea ice formation and melting

    Don't miss the beautiful summer Milky Way next week as the new moon goes dark on Sept. 21

    space.com3 hours ago

    Don't miss the beautiful summer Milky Way next week as the new moon goes dark on Sept. 21

    The moon is at new phase on Sept. 21 and during this upcoming week will appear first as a gradually diminishing crescent of light in the predawn hours, and during

    Watch an asteroid the size of the Washington Monument zoom past Earth live on Sept. 18 (video)

    space.com3 hours ago

    Watch an asteroid the size of the Washington Monument zoom past Earth live on Sept. 18 (video)

    Potentially Hazardous Asteroid 2025 FA22 close encounter: online observation – 18 Sept. 2025 – YouTube Watch On A potentially hazardous asteroid spanning the length of the Washington Monument will make

    Circular Star Trails

    nasa2 weeks ago

    NASA/Nichole Ayers On July 26, 2025, NASA astronaut Nichole Ayers took this long-exposure photograph – taken over 31 minutes from a window inside the International Space Station’s Kibo laboratory module

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