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.

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.”

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

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

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 ...

Senator Mark Kelly's statement emphasizes the Gaza ceasefire's importance and his commitment to Israel's defense and Gaza's humanitarian needs.

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.”

Arizona’s Democratic Sens. Ruben Gallego and Mark Kelly are catching heat from advocates who call their support for the GOP’s “Laken Riley Act” a major disappointment from two candidates propelled by pro-immigration groups.

The U.S. Senate passed the Laken Riley Act with bipartisan support — including both of Arizona’s Democratic senators — keeping a crackdown on illegal immigrants involved in criminal cases on ...