Alabama astronaut on NASA's medical evacuation on ISS
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The weird and wonderful world of sleeping in space — and what studies of astronauts tell us about the future of sleep
NASA says a crew member on the International Space Station is unwell. The agency canceled a planned spacewalk for Thursday and is taking the rare step of ending the Crew-11 mission early.
Photos shared by NASA show what life looked like 250 miles above Earth in 2025, including images of hurricanes, the northern lights, and city streets.