So, if astrobiologists ever do find alien life with a weird chemistry that uses some liquid other than water, it's not likely ...

NASA and its partners will discuss the upcoming Expedition 73 mission aboard the International Space Station February 24.

"Cartilage damage is a really major issue that space agencies need to address despite how very poorly understood it is." ...

NASA also will host a crew news conference at 4 p.m. and provide coverage on NASA+ , followed by individual crew member ...