Health
Low gravity in space made some astronauts’ blood flow backwards
Spending time in microgravity can reverse the flow of a person’s blood and lead to clots, as seen in astronauts who spent months on the International Space Station
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Health
Spaceflight alters heart cells but they quickly recover back on Earth
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Space
How to call the International Space Station
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Space
Christina Koch snapped this majestic picture of Soyuz 61 from the ISS
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Space
NASA will let people pay to stay on the International Space Station
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Space
Zero-gravity robot cleaner could automatically sterilise the ISS
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Space
What happened when one twin went to space and the other stayed home?
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Space
NASA says the International Space Station is covered in bacteria
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Comment
Cheer the first women-only spacewalk, but equality is still far away
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Space
Toilet on International Space Station gets a bacteria-killing upgrade
Killing bacteria in space is hard – but an experimental silver-ruthenium surface that was added to the ISS toilet door seems to be up to the job
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Space
Astronauts launch in Soyuz rocket for first time since botched takeoff
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Space
Soyuz crash could kill the ISS and set space flight back decades
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Space
Row with Russia and SpaceX delays could leave NASA unable to reach ISS
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Did someone deliberately sabotage the International Space Station?
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