Senator Mark Kelly leads 12 colleagues in urging bipartisan efforts on U.S. border security and immigration reform, addressing a letter to Republican Senate Majority Leader Thune.

Arizona Democratic Sen. Mark Kelly thinks the highly publicized immigration raids days into the second Trump administration are all “for show,” and instead said a bipartisan group in Congress needs to be involved in addressing long-term challenges of immigration.

Democratic Sen. Mark Kelly of Arizona is urging Republicans to work in a bipartisan fashion to find border security and immigration solutions.

Senator Mark Kelly opposes Pete Hegseth's nomination for Secretary of Defense, citing concerns about his readiness.

Arizona Democrats were ready to fight Donald Trump on immigration. Now they find their own senators siding with Republicans.

Pete Hegseth’s controversial nomination as defense secretary moved a step closer to confirmation with the Senate Armed Services Committee recommending him to the job on party lines. U.S. Sen. Mark Kelly, D-Ariz., voted Monday against Hegseth, citing a lack of managerial experience and “concerning personal issues.”

Sen. Mark Kelly (D-AZ) told Andrea Mitchell on MSNBC that a long term bipartisan ‘solution’ must be made to fix border security.Jan. 22, 2025

Greg Stanton, D-Ariz., was among the Democrats who joined them. On Monday, Democratic Sens. Mark Kelly and Ruben Gallego of Arizona made good on their intentions to back the bill. Gallego, for one, cosponsored it. The bill, named for Laken Riley ...

Kelly and Gallego joined eight other Senate Democrats to help the Republican-led immigrant crime bill thwart a filibuster.

Arizona's senators voted with Republicans to confirm Lee Zeldin as the new head of the Environmental Protection Agency.

Arizona Senator Mark Kelly says as the Senate considered the nomination of Pete Hegseth to serve as Defense Secretary in the second Trump administration post cloture that Hegseth does not check any of the boxes for Defense Secretary,

Senator Mark Kelly opposed Peter Hegseth's nomination as Defense Secretary, citing his lack of qualifications and past issues.