NASA astronauts Suni Williams and Butch Wilmore remain calm and optimistic on the International Space Station, 250 days into what was supposed to be a weeklong mission.
NASA astronauts Suni Williams and Butch Wilmore remain calm and optimistic on the International Space Station, 250 days into what was supposed to be a weeklong mission.
Hundreds of surface swabs reveal the station lacks microbial diversity, an imbalance that has been linked to health issues in other settings.
Sunita Williams, along with fellow astronaut Barry Wilmore, faced an extended stay aboard the ISS due to technical issues.
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