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 ...

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 ...

Kelly, a retired NASA astronaut and Navy combat veteran, is the husband of former Rep. Gabby Giffords, who in 2011 survived an assassination attempt. Kelly, 61, is up for reelection in 2028.

Senator Mark Kelly (D-AZ) delivered remarks yesterday on the Senator floor pushing back against the GOP's rescissions package over its defunding of public broadcasting.

Arizona, pointed to a detained businesswoman and Marine's mother as examples of ICE's wrongheaded deportation priorities.

Kelly made his statement after he spotlighted the Democrats' “messaging problem,” which he said the party must "fix." ...

Sen. Mark Kelly (D-Ariz.) declined to say whether he plans to run for president in 2028, stressing instead that he’s focused on addressing voters’ concerns about the Democratic Party. In an ...

To bridge that gap, NASA is partnering with Google to test an A.I. medical assistant for long-duration missions. Known as the ...

Democratic Arizona Sen. Mark Kelly floundered on CNN Sunday when pressed about a chart his party recently posted on social media — which accidentally spotlighted skyrocketing grocery prices when ...