Sperm struggles to find its way to an egg in microgravity, suggesting mammalian reproduction in space may not be possible.
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NASA may not be able to move forward with all three of its planned Venus missions as budget pressures force difficult trade-offs across its planetary science portfolio.
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NASA’s long-anticipated Artemis 2 mission — the first crewed flight to the moon in more than half a century — could lift off as soon as April 1. Here’s how you can watch it live.
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What is nuclear electric propulsion and how is it different from radioisotope thermoelectric generators?
Tuesday, March 31, 2026: See our latest news and updates on NASA’s Artemis 2 moon mission’s progress to launch on April 1.
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From Greek mythology to modern spaceflight, Artemis and her twin brother Apollo connect humanity’s first lunar missions to the next era of exploration with Artemis 2 and beyond.
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Get to know NASA’s Artemis 2 moon mission with Space.com’s exclusive four-part video series Inside Artemis II debuting March 25-March 31.
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Canada has canceled its first-ever moon rover mission, which had been targeted to land near the lunar south pole in 2029.
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A gorgeous new photo shows the northern lights rippling across the night sky above Isar Aerospace’s Spectrum rocket.
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The European Space Agency is planning to buy a dedicated SpaceX Crew Dragon mission to send its astronauts to the International Space Station to boost their time and experience in space.
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