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

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

U.S. Sen. Mark Kelly, D-Arizona, talks about legendary Apollo 13 astronaut Jim Lovell, who died Aug. 7, 2025, at age 97.

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

America is becoming a nation of homebodies' Diana Lind at The Washington Post. Americans are "voluntarily spending an extra ...

Kelly’s name has arisen as a potential candidate for both president and vice president in the past. Kelly, who was elected to ...

Department of Transportation Secretary and former reality TV star Sean Duffy is now NASA’s interim administrator, while the Senate appears to be on track to give the agency its biggest budget in ...

NEW YORK -- You would expect a trip to space to be transformative, but NASA says it can lead to permanent DNA changes. The space agency studied the DNA of twin astronauts Scott and Mark Kelly.

Mark Kelly, former Navy Captain and NASA astronaut, running for the late Sen. John McCain's Senate seat in Arizona, discusses gun control, climate change and impeachment.

Astronaut twins Scott, Mark Kelly give clues to health effects of spaceflight KTRK Friday, February 3, 2017 Nasa study on space twins sheds light on space travel ...