Federal officials cannot stop all of the illicit drugs entering the country. So they teamed up with local cops to target vehicles smuggling drugs on highways across the southwest and beyond.

Water is high on the long list of issues the U.S. and Mexico deal with along the border. The improvement of a wastewater-treatment plant in San Diego highlights increasing collaboration.

President Barack Obama gave a speech in El Paso, Texas regarding border security and immigration.

During the 19th Century, gold mining fueled the expansion into the so-called Wild West. Today, rising gold prices have led to a new gold rush with ten old mines reopened in the last decade.

A secessionist movement in Southern Arizona is gaining traction, aiming to break away from the capitol, Phoenix.

Southern California is a leader in urban and residential rooftop solar technologies. But this green energy boom has left many working-class Latinos behind.

Officials along the border recount the changes along the U.S.-Mexico border and the changes in store for the future.

For the first time, the warning pinpointed Rocky Point. Fear and a bad economy drove away American tourists in past years. This travel warning hasn't helped. Few visitors can be found on the streets.

A higher than average runoff from the Rocky mountains to the Colorado River this spring will make water more plentiful than usual in states like Nevada, California and parts of Arizona. But the Rio Grande River is getting almost nothing from the melting snow.