Arizona will invest in a feasibility study of a proposed desalination plant in the Sea of Cortez, the second such proposal to ...

The parasite, which can infest the wounds of animals and burrow into their flesh, has been detected in Sonora, Mexican officials said.

A deal announced by the International Boundary and Water Commission of the United States and Mexico calls for water use ...

Widespread violence erupted across western Mexico after Mexican officials said cartel leader Nemesio Oseguera, known as "El Mencho," was killed during a military operation in the state of Jalisco, ...

An American correctional officer moonlighting as a member of a powerful faction of the Sinaloa Cartel was busted in Mexico with more than 5,400 rounds of ammunition, Mexican authorities said. The ...

The Sonora-Arizona corridor ranks as Mexico's third-leading border region for arrests of U.S. citizens, with hundreds of cases tied to guns and drug-related crimes.

Spring begins for students at Arizona's universities soon. Arizona State University, University of Arizona and Northern Arizona University students will be on break the week of March 10. Some students ...