It's been more than six decades since Alan Shepard launched on his famous suborbital flight. What would think of the U.S. space program today?

From cosmic radiation to crushing isolation, the journey to Mars presents a web of interlinked dangers. NASA’s Human Research ...

NASA administrator nominee Jared Isaacaman will take on questions from U.S. senators Wednesday at a confirmation hearing.

"I didn't look too good because I didn't feel too good," Pettit told reporters during a press conference from NASA's Johnson ...

Upon returning to Earth, astronauts face balance issues and require rehabilitation to readjust to gravity. Muscle weakening and bone loss in microgravity One of the deeper consequences of time in ...

Jeff Bezos had one of his Blue Origin rockets take his fiancee and her celebrity friends on a quick ride into space — but are ...

Life in space is far from ordinary. With limited resources, zero gravity, and isolation from the planet, astronauts face ...

WASHINGTON (Reuters) -U.S. President Donald Trump's administration is seeking to cut key elements of NASA's moon program in ...

NASA's oldest active astronaut felt as sick as he looked shortly ... "They're polite, and they don't have a camera shoved in your face when you're in the middle of doing that," Pettit said today.

Astronaut Barry Wilmore was honored by the Tennessee ... inspiring the country and the world through his strength and preparedness in the face of unthinkable challenges.” Wilmore's perseverance ...

Concerns were initially raised for their health, as, during time in microgravity, astronauts face a serious risk of muscle atrophy and bone loss which can then make walking on Earth more difficult.