NASA is set to attempt its first medical evacuation from the International Space Station. Keith Cowing, editor of NASAWatch, explains how long term space expeditions can present health challenges to ...

4 astronauts depart Space Station in NASA's first medical evacuation Former NASA Astronaut Leroy Chiao joins The Lead.

(CNN) — A monthslong saga featuring tech billionaire Jared Isaacman — President Donald Trump’s on-again, off-again pick to run NASA — has finally come to a close as the Senate confirmed his ...

The NASA Artemis II mission, set to lift off as soon as February, will mark the first time astronauts have aimed to venture beyond near-Earth orbit since 1972.

A group of astronauts will return from the International Space Station more than a month ahead of schedule after an unnamed crew member experienced a medical issue.

NASA has put off the planned launch of its next-generation Orion spacecraft for a year, a setback to efforts to fly a successor to its aging space shuttles, the space agency announced Monday.

The space agency said Wednesday it was postponing a spacewalk because of a medical concern with an unidentified astronaut.

Administrator Jim Bridenstine said that money would come on top of NASA's existing budget and would be spread out over five years.