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

President Donald Trump weighed in on an already contentious Senate primary race in the most populous red state in the nation, saying he will make an endorsement decision “at the right time." ...

John Cornyn, R-Texas, walks to the House Chamber before of President Donald Trump addresses a joint session ... has now ...

In a Senate hearing, the Texas Republican pushed back on concerns over the sharp decline in global financial markets that the ...

John Cornyn ... 73-year-old Cornyn faces a possible primary challenge from Texas Attorney General Ken Paxton. The conservative and MAGA firebrand who's an ally of President Donald Trump has ...

Sen. John Cornyn, R-Texas, walks to the House Chamber before of President Donald Trump addresses a joint session of Congress at the Capitol in Washington, Tuesday, March 4, 2025. (AP Photo/Jose ...

Dr. Jessica Shepherd, chief medical officer for Hers, joins ABC News Live to discuss the results of the president’s physical.

Sen. John Cornyn (R-TX) spoke about his reelection campaign and efforts to secure an endorsement from President Donald Trump.

The National Republican Senatorial Committee backed Sen. John Cornyn for re-election after Ken Paxton jumped into the primary ...

Texas Republicans in Congress defended President Donald Trump’s tariff moves, saying he’s making progress on better trade ...

Republican Rep. Lance Gooden of Texas is taking sides in the Lone Star State's burgeoning GOP Senate primary battle, endorsing state Attorney General Ken Paxton over longtime Sen. John Cornyn ...