Starliner astronaut Sunita Williams says she and crewmate Butch Wilmore have not been "abandoned" in space, as NASA considers ...

Scientists have sounded the alarm as H5N1 bird flu has increasingly shown disturbing signs of adaptation. With 68 North ...

Get real-time breaking news updates on the biggest event unfolding in the United States, including election, politics, economics, crime, viral and more.

American astronaut Kalpana Chawla and six other astronauts when the Space Shuttle Columbia broke apart during re-entry into ...

NASA astronaut Sunita “Suni” Williams, one of the two astronauts on an unintentionally extended stay aboard the International ...