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 ...

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

The senator said he was concerned the developers could be discriminating against non-Muslims in violation of federal civil ...

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

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

After a two-year hiatus, Senate GOP primaries are on the way back. Senate Republicans are bracing for a midterm cycle that ...

The race between Cornyn and Paxton is expected to be one of the highest-profile – and costly – intra-party fights this cycle ...

Sen. John Cornyn, R-Texas, speaks during the confirmation hearing before the Senate Finance Committee for Dr. Mehmet Oz, President Donald Trump's pick to lead the Centers for Medicare and Medicaid ...

Texas Attorney General Ken Paxton also requested documents from local officials on the proposed development in Collin County.