Trump-endorsed Halo composer Marty O'Donnell advances in GOP primary to challenge Democratic incumbent Susie Lee in Nevada's 3rd congressional district.

Rep. Dina Titus wins the Democratic primary in Nevada's 1st Congressional District, defeating three challengers to secure her eighth term nomination.

Nevada's Democratic primary for governor sets up a showdown with GOP Gov. Joe Lombardo in one of the nation's most competitive gubernatorial races.

Rep. Susie Lee faced challengers in Nevada's 3rd Congressional District Democratic primary, one of the West's most competitive swing districts.

Graham Platner won the Maine Democratic primary for U.S. Senate on Tuesday, setting up a high-stakes race against Republican Sen. Susan Collins.

Lt. Gov. Pamela Evette and state Attorney General Alan Wilson advanced to a runoff for the Republican nomination for South Carolina governor, while U.S. Sen. Lindsey Graham won his own primary outright Tuesday in his pursuit of a fifth term in November.

Republicans Mark Smith and Jenny Honeycutt are projected to advance to a runoff for the GOP nomination in South Carolina’s 1st Congressional District, according to Decision Desk HQ. Smith and Honeycutt pulled away from a crowded field of Republicans. The Democratic primary is also headed to a June 23 runoff, where former Navy Adm. Nancy Lacore and...