Senator Mark Kelly leads 12 colleagues in urging bipartisan efforts on U.S. border security and immigration reform, ...

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.

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

Pete Hegseth’s controversial nomination as defense secretary moved a step closer to confirmation with the Senate Armed ...

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

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

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

Senate committees on Thursday approved a handful of Trump Cabinet nominees setting them up for approval by the full chamber.

Senator Mark Kelly (D-Ariz.) spoke with Margaret Brennan on Face the Nation on Sunday about the national security law banning ...

Arizona’s Democratic Sens. Ruben Gallego and Mark Kelly are catching heat from advocates who call their support for the GOP’s ...

On the C-SPAN Networks: Mark E. Kelly is a Democratic Senator for Arizona with 157 videos in the C-SPAN Video Library; the first appearance was a 2006 News Conference as a Pilot for Space Shuttle ...