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

Scott Kelly recently returned to the ISS during a trip to Berlin. The replica was built for the off-Earth scenes in "Constellation," Apple TV+'s psychological thriller.

In March 2016 NASA astronaut Scott Kelly returned to Earth after a historic 340-day stint on the International Space Station a changed man – his time in orbit had altered part of his DNA.

Scott Kelly, a retired U.S. astronaut, spent 520 days in space over four missions. Working in outer space is a lot like working on earth, but with different challenges and in closer quarters ...

Record-setting NASA astronaut Scott Kelly has handed in his spacesuit. Kelly, who recently wrapped up an unprecedented yearlong mission aboard the International Space Station (ISS) and has spent ...

If NASA had allowed it, astronaut Scott Kelly would have loved to climb out of the Soyuz capsule after landing on Tuesday and walked on his own, Kelly’s brother, Mark, said during a news ...

NEW: Astronaut Scott Kelly's spacecraft undocks from the International Space Station Kelly has finished his year in space and is heading back to Earth on Tuesday The space veteran has lived in ...

NASA astronaut Scott Kelly is set to come home Tuesday evening after completing a nearly yearlong stint in space.

Scott Kelly left Friday for a record-breaking 342-day mission aboard the International Space Station.