During a Friday spacewalk around the International Space Station's exterior, two NASA astronauts encountered a small ammonia leak and sustained very minor glove damage.
It's hard work to be in space for months at a time. Read about the record-holders for America's single spaceflights -- including Scott Kelly, who just recently surpassed the previous mark of 215 days.
After 15 years of a continuous crewed presence, here are just a few of the highs and lows of humanity's most ambitious international endeavor in space.
Is a lunar space port a viable stepping stone to Mars?
A VR camera will be installed in the International Space Station's Cupola to give Earth a privileged view from orbit. Continue reading →
It takes months of rehabilitation for an astronaut on the International Space Station to readjust to everyday life on Earth -- could drugs shorten this process?
How hard would a human mission to the Red Planet be? Two retired NASA astronauts, Clay Anderson and Steve Swanson, have very different takes.
How is Scott Kelly's year-long mission helping with a future trip to the Red Planet, 'The Martian'-style?
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