The winding series of Senate procedural votes that went late into the evening could have profound implications for California’s longstanding efforts to reduce air pollution.

Senate Republicans oppose California's car emissions rules, questioning the EPA's authority and potential nationwide effects.

Tensions are growing between Sen. John Cornyn and Texas Attorney General Ken Paxton in the Republican primary for U.S. Senate after the results of a new voter survey for the race became public. The new poll shows Cornyn trailing Paxton by 16 percentage points,

Live updates and the latest news as Trump hosts South Africa's president and the House Rules Committee meets on the Republicans' budget bill.

With a trio of House members running for Senate in Minnesota, New Hampshire and Kentucky, their seats have become prime targets to flip.

The bill would prohibit noncitizens from voting in district elections and repeal a law allowing noncitizen residents of Washington, D.C., to vote in such elections.

Senate Republicans on Wednesday blocked Senate Minority Leader Chuck Schumer’s (D-N.Y.) bill that takes aim at President Trump’s deal with Qatar to accept a luxury jet as a gift to serve as the