The reasons behind the decrease of fentanyl seizures in the U.S. and along the Mexico-U.S. border are complex.

The Arizona Republic recently visited migrant shelters in several other border cities in Mexico, including Nogales, Sonora, across from Nogales, Arizona, and Mexicali, across from Calexico, California ...

Firearm seizures along the U.S.-Mexico border dropped nearly 61% through April this fiscal year compared to the same period ...

Sen. Marshall was in southern Arizona on Friday to visit with some of the 700 troops from Fort Riley, Kansas, stationed at the border and to discuss the way forward with U.S. Border Patrol and ...

The New World Screwworm was first detected in a cow in southern Mexico in November. Since then, officials from the U.S. and ...

Reported encounters between migrants and Border Patrol agents, leading either to release with a court date or to expulsion, ...

SAN CARLOS, Sonora — Mexican authorities are closing the U.S-Sonora border to nonessential travel ... still welcomes tourists who are already in Mexico, as well as foreigners who get on the ...

Root beer is often viewed as a quintessentially American drink. But root beer has also become a popular drink in Sonora, ...

The Trump administration continues its military buildup along the US-Mexico border even as migrant arrivals have dwindled to ...

Prices will go up with the halt on Mexican cattle imports, but the border closure won't help eradicate the parasite.