Arizona Senator Mark Kelly and 12 of his colleagues in the Senate wrote a letter to Senate Majority Leader John Thune Wednesday, stressing "the importance of working together on pressing border security and immigration needs,

Senate Majority Leader John Thune notched his first big win Friday by clearing the filibuster on the Laken Riley Act. It'll almost certainly pass Monday with ease. Why it matters: It's a specific, popular,

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.”

When I asked Speaker Mike Johnson about Senate Majority Leader John Thune at a POLITICO Live event Tuesday, he was quick to praise the South Dakotan as a “principled” and “experienced ...

Sen. John Thune (R-SD) has added a touch of South Dakota to his new Senate office, hanging a bison head named Murdo in the front room of his majority leader suite. Senate staff wheeled the ...