Experts said the USDA needs well more than 100 million sterile flies per week to eradicate the pest in Mexico.

Peninsular bighorn sheep have long migrated between California and Mexico, but plans to close gaps in the border wall may change that. Scientists say the animals will suffer as a result.

The FAA lifted the restrictions over El Paso after a few hours early Wednesday but had kept the restrictions over New Mexico without explanation.

CHICAGO, Feb 2 (Reuters) - The U.S. Department of Agriculture will disperse glow-in-the dark, sterile flies in Mexico, closer to the U.S. border, and in southern Texas, as officials race to keep flesh ...

Add Yahoo as a preferred source to see more of our stories on Google. SANTA TERESA — To be stationed in a more than 17-ton U.S. Army vehicle defending the U.S.-Mexico border, as it turns out, isn’t so ...

Add Yahoo as a preferred source to see more of our stories on Google. SANTA TERESA — The lower jawbone of an unknown person seems to lie in the very same spot it did a year ago, though the desert sun ...

The three cases are from the 23 initially reported in December in the state of Tamaulipas, which borders the state of Texas.

Federal officials quietly removed the New Mexico airspace restrictions two days after imposing them, following backlash from ...

U.S. Agriculture Secretary Brooke Rollins and Texas Gov. Greg Abbott unveiled the new facility on a former Air Force base near Edinburg, Texas. It will allow the U.S. to disperse millions of sterile ...

Mexico transferred 37 cartel members to the United States on Tuesday as the Trump administration intensifies pressure on foreign governments to dismantle drug trafficking networks. Mexican Security ...

The mass shooting occurred in an area fought over by drug cartels, just as the Mexican government has sought to show Washington that it is combating criminal groups. By Jack Nicas Reporting from ...