Sen. Mark Kelly (D-Ariz.) called President Donald Trump‘s decision to walk away from his own artificial intelligence ...

Pentagon chief Pete Hegseth suggested Sen. Mark Kelly may have violated his oath by discussing a classified Pentagon briefing on weapons stockpiles.

The national spotlight is on Arizona Sen. Mark Kelly for a possible 2028 presidential run amid his eye-catching fundraising ...

Mark Kelly (D-Ariz.) reflected on his attendance at the Munich Security Conference earlier this year, speaking with several world leaders who he said are “not happy” with the U.S during the second ...

Arizona Democrats Mark Kelly and Katie Hobbs blasted their own party and President Biden for mishandling and not ...

Defense Secretary Pete Hegseth on Sunday called for Sen. Mark Kelly to be investigated over comments he made about US weapon stockpiles, marking the second time the Pentagon chief has opened a review ...

PHOENIX — U.S. Sen. Mark Kelly of Arizona said Monday that his wife, Gabby Giffords, is facing a resurgence of death threats following recent comments by President Donald Trump. “Gabby and I are no ...

Trump reposted a social media user's message at 6:06 a.m. ET on Wednesday, April 22, demanding that Kelly “be held accountable" and imprisoned for a "treasonous" PSA Anna Moneymaker/Getty; Aaron ...

A federal appeals court appeared ready Thursday to reject Defense Secretary Pete Hegseth’s effort to punish Democratic Sen. Mark Kelly over his call to US service members to refuse illegal orders.

Senator Mark Kelly says astronauts aren't in a space jam when they let one rip ... telling us passing gas in a full space suit isn't at all like you might imagine. Taylor Swift’s wedding guest rule ...