Add Yahoo as a preferred source to see more of our stories on Google. Whether you use a hole in the ground or a fancy gold-plated toilet, on Earth, gravity pulls your waste down and away from you. For ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

In space, every action becomes more complicated—and CPR is no exception. With no gravity to keep you grounded, astronauts have to completely rethink how to deliver chest compressions. In this video, ...

Going to space is harsh on the human body, and as a new study from our research team finds, the brain shifts upward and ...

NASA’s Suni Williams — a record-setting astronaut who endured a monthslong, unplanned stay aboard the International Space Station during Boeing's Starliner debacle — has retired after 27 years of ...

Add Yahoo as a preferred source to see more of our stories on Google. Roscosmos cosmonaut Oleg Platonov, left, NASA astronauts Mike Fincke, Zena Cardman, and JAXA (Japan Aerospace Exploration Agency) ...

Earlier this month, NASA announced that it had to cancel a scheduled spacewalk, citing a “medical situation” affecting a “single crew member who is stable” on board the International Space Station.

CAPE CANAVERAL, Fla. (AP) — The astronauts evacuated last week from the International Space Station say a portable ultrasound machine came in “super handy” during the medical crisis. During their ...

Four astronauts had to cut their mission on board the International Space Station short after a “medical concern” forced NASA to return them to Earth weeks early. The space agency has been incredibly ...

Roscosmos cosmonaut Oleg Platonov, left, NASA astronauts Mike Fincke, Zena Cardman, and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui are seen inside the SpaceX Dragon Endeavour ...