NASA has postponed a planned spacewalk outside the International Space Station that was scheduled for Thursday, Jan. 8, after a medical concern involving a crew member aboard the orbiting laboratory.

This marked the first medical evacuation in the 25-year history of humans aboard the International Space Station. Crew-11 splashed down in the Pacific Ocean and was taken to a San Diego hospital for ...

During a press conference on Tuesday afternoon, NASA officials said that due to a liquid hydrogen leak and other issues, they ...

NASA is now targeting March for the earliest possible launch of its historic Artemis II lunar mission, which will send four ...

NASA has delayed the historic Artemis II crewed mission to March after engineers discovered a liquid hydrogen leak during a ...

Liquid hydrogen fuel leaks forced NASA to delay the launch of Artemis II—the same scenario it encountered four years ago ...

Crew-12 will fly to the orbiting laboratory aboard a SpaceX Dragon spacecraft, launched on a Falcon 9 rocket from Cape ...

Add Yahoo as a preferred source to see more of our stories on Google. ABC’s Andrew Dymburt and space medicine researcher Dr. Farhan Asrar analyze key details from NASA’s press conference on the ISS ...