After calling President Barack Obama "an animal" who has been trying to turn America into "just another country," a Republican U.S. Senate candidate is refusing to apologize.

In an effort to block Donald Trump from garnering the 1,237 delegates necessary to clinch the Republican presidential nomination, rivals Ted Cruz and John Kasich announced plans Sunday to join forces, CNN reports.

Republican House Speaker Paul Ryan on Thursday acknowledged increasing chances that the party will be facing an "open convention," noting the ongoing opposition posed against Trump by Texas Sen. Ted Cruz and Ohio Gov. John Kasich. Without a clear cut nominee, the party will have to resort to a floor fight to pick a nominee.

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For the past several months, the nation has seen Donald Trump's evolution from boisterous real estate mogul to the Republican Party's presidential front-runner.

In a talk aimed at slowing Donald Trump's momentum as the Republican presidential front-runner, Mitt Romney on Thursday came out swinging against the divisive candidate during an address in Salt Lake City.

President Barack Obama on Saturday pledged to fill the Supreme Court seat left open by the sudden death of Justice Antonin Scalia, while Senate Republicans signaled that they would block any nominee.

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A van carrying Ben Carson's presidential campaign team "hit a patch of ice and flipped on its side," striking another vehicle.

One-time Republican presidential front-runner Ben Carson on Wednesday brushed back reports that he is planning a major shakeup of his campaign staff, but he did not deny the possibility that changes to his operation could come soon, CNN reports.

Vying for the spotlight in a crowded field of Republican presidential candidates, former Florida Gov. Jeb Bush on Tuesday appeared to throw a barb at…

Jan Mickelson, the conservative talk show host, announced a plan to force undocumented immigrants to become "property of the state."