NASA has completed over 100 cold-flow tests of a full-scale nuclear rocket reactor prototype, demonstrating stable hydrogen ...

NASA’s Artemis II Mission Will Travel Farther Than Any Crew Before ...

For the first time in more than half a century, NASA is preparing to send astronauts back into deep space, not just to low Earth orbit but around the Moon itself. Artemis II, the second flight in the ...

When scientists first sent microscopic worms into orbit in 2018, they hoped to answer a question that has shaped every discussion about long missions. What really happens to your body when gravity no ...