Sen. Marshall was in southern Arizona on Friday to visit with some of the 700 troops from Fort Riley, Kansas, stationed at ...

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

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

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

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 ...

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, ...

long before development boomed along the border and scientists discovered that climate change exacerbates drought. Sonora is the cattle capital of Mexico. But prolonged drought is killing off the ...

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

Zeferino Gil Lamadrid was on his way home from doing some business on the Arizona side of the Nogales, a city that straddles the border between the Mexican state of Sonora and American Arizona.