Kelly laments the death of astronaut Jim Lovell and a U.S. disinvestment from science while sidestepping White House talk.

NASA makes us proud to be Americans. And even more so, the agency is an engine of discovery and innovation that benefits all ...

Thirteen years after Curiosity landed on Mars, engineers are finding ways to make the NASA rover even more productive. The ...

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

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

U.S. Sen. Mark Kelly of Arizona was inducted Saturday into the U.S. Astronaut Hall of Fame at the Kennedy Space Center Visitor Complex in Florida. He and the other retired NASA astronaut inducted ...

Scott and Mark Kelly, the only twins to have traveled in space, are embarking on a mission to help NASA prepare for Mars ...

Kelly once got along with Musk. The former NASA astronaut has repeatedly praised the private space sector, which Musk's SpaceX remains a dominant force in.

WASHINGTON − Elon Musk and Sen. Mark Kelly, D-Ariz., traded jabs on social media Monday, after the billionaire space entrepreneur called the former NASA astronaut a "traitor" for his recent trip ...

U.S. Sen. Mark Kelly and billionaire Elon Musk traded insults on social media after the Arizona Democrat noted his recent visit to Ukraine and continued support for that country in its war with ...