Here are five things to know about Cornyn as the U.S. Senate race unfolds.

The Republican Primary Senate fight between incumbent John Cornyn and Attorney General Ken Paxton is the most consequential ...

Whoever wins the March primary will become the Republican nominee and face a Democrat. So far, former Dallas Congressman ...

Paxton is close to the president, but Minchillo said Mr. Trump needs Cornyn's help in the Senate to pass his tax and spending ...

President Trump said Saturday he would determine a potential endorsement in an explosive GOP primary for a Texas Senate seat ...

DALLAS — Texas Republicans will have their most consequential primary contest in 15 years, when incumbent Sen. John Cornyn ...

The long anticipated U.S. Senate primary matchup between Republican incumbent John Cornyn and challenger Ken Paxton is a go.

Sen. John Cornyn has long been a reliable conservative in Congress. But that may not be enough to get the Texas Republican ...

A United States senator from Texas wants federal prosecutors to investigate a proposed Muslim-led community development for ...