Many Mexican Americans remember that California became part of the United States after a 19th century war that cost Mexico more than half its territory.

California-Mexico border, once overwhelmed, now nearly empty Members of the U.S. military walk between border walls along the U.S. and Mexico border near San Ysidro. By Andrea Castillo Staff Writer ...

A NASA instrument aboard the International Space Station has detected contamination from Mexican sewage that spilled into the ...

A magnitude 5.2 earthquake jolted southern California Monday morning near San Diego felt as far away as Mexico, according to the U.S. Geological Survey.

A month after an official with the California Department of Forestry and Fire Protection was found slain at her home, the woman’s wife has been arrested in Mexico on suspicion of murder ...