The MAGA stalwart defeated Sen. John Cornyn following a vitriolic campaign and will face Democrat James Talarico in November.

Ken Paxton defeated four-term Senator John Cornyn in the Texas Republican primary by nearly two to one, setting up what could be the most competitive Senate race in the state in decades as Democrats see an opening.

President Donald Trump last week endorsed Texas Attorney General Ken Paxton over incumbent Sen. John Cornyn.

President Donald Trump demonstrates strong influence in the 2026 primary season, with all his endorsed candidates winning their contests. Fox News' Madeleine Rivera reports on Ken Paxton's victory in the Texas Senate primary runoff and other down-ballot races,

The three-member Railroad Commission regulates the oil and natural gas industry in Texas. Despite its name, it no longer oversees the railroad industry.

The Texas primary runoffs are over and November election matchups are set in major contests, like one for the U.S. Senate, as the results deliver lessons for both parties.

Texas Attorney General Ken Paxton secures a significant victory over incumbent Senator John Cornyn in the Republican primary runoff, fueled by President Donald Trump's endorsement. Political strategist Cassie Smedile emphasizes the enduring power of Trump's support among the Republican base.