Nogales border patrol agents have expanded and renovated some parts of the border wall with concertina wire. This spiked, ...

Experts warn Customs and Border Protection’s wall through the Tijuana River will eventually cause catastrophic flooding in ...

Illegal migrant crossings over Arizona’s 373-mile border with Mexico have dried up in the 18 days President Donald Trump has ...

Walls built along the U.S.-Mexico border ... to repair the damage done by this cynical attack on our beautiful borderlands. We won’t stop fighting until the wall is torn down. With headquarters near ...

On Jan. 10, a tunnel was discovered beneath the U.S.-Mexico border in El Paso. Two weeks before that, a tunnel was uncovered near Arizona ... the U.S.-Mexico border wall — a project halted ...

“He was almost not understandable, he was so upset,” said the volunteer, who asked the Arizona Daily ... seen a vehicle in Mexico speeding toward the end of the border wall.

PHOENIX — A newly built segment of the southern Arizona border wall may bolster national security ... exchange genetic material with nearby populations in Mexico, and bolster its populations ...

Trump promises to sign executive actions to address immigration and border security. Some will likely spark legal battles.

Four years ago, I was visiting the U.S. southern border when construction on the border wall was abruptly halted ... I headed back to the Arizona-Mexico border to report on what’s happening ...

The U.S.-Mexico border wall stretches along farmland in San Luis, Arizona, on Jan. 7 ... had sought to protect” and caused irreparable damage to a significant oasis in the Sonoran Desert.

Sharper Point: How Arizona’s border could be a problem for President Biden’s reelection campaign. Video: Jeremy Schnell and Felisa Cárdenas/KTAR News Photo: Mario Tama/Getty Images Puerto ...