Mark and Scott Kelly, twin brothers and former NASA astronauts, spoke to "CBS Mornings" about how the agency is set to lose ...

Scott Kelly takes a selfie inside the International Space Station.Image: nasaThe intensive scrutiny of Kelly's body revealed a lot, but there's only compelling evidence for one human: Kelly.

Mark and Scott Kelly, brothers was are both veterans of four spaceflights, join CBS Mornings to discuss today's SpaceX ...

After living on the International Space Station for 340 days, astronaut Scott Kelly says it was easier to spend nearly a year in space than to get used to gravity again back on Earth. Kelly is ...

Astronaut was greeted in Houston by his twin brother, Mark Kelly. — -- Astronaut Scott Kelly arrived in Houston early this morning where he was reunited with his family after a whirlwind year ...

Astronaut Scott Kelly said today he's excited to return to Earth to see his family but added he has enough stamina to "go another year" living in space.