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.

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

The measure's bipartisan approval reflects broad support for cracking down on crime perpetrated by illegal immigrants.

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

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

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.”

The Arizona senator questioned Department of Defense nominee Pete Hegseth about his history of getting blitzed off his ass.

Sen. Mark Kelly reiterated on Sunday his continuing concern about the judgment of Tulsi Gabbard, President-elect Donald Trump’s pick for director of national intelligence, saying she had a “predilection for misinformation.”

Senator Mark Kelly (D-Ariz.) spoke with Margaret Brennan on Face the Nation on Sunday about the national security law banning TikTok, the Laken Riley Act, and two of President-Elect Trump's Cabinet picks.

Sen. Mark Kelly of Arizona accused Pete Hegseth of lacking transparency during a confirmation hearing for President-elect Donald Trump’s defense secretary pick on Tuesday. During the hearing in ...

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