Defense Secretary Pete Hegseth visited the newly created New Mexico National Defense Area today to meet with service members ...

I-19, which connects Tucson and Mexico, has measured distance in kilometers since the 1970s. It’s now under review ...

This story is part of a Grist package examining how President Trump's first 100 days in office have reshaped climate and ...

AUSTIN, Texas — Texas is taking a step toward formally renaming the Gulf of Mexico to the Gulf of America on state maps and ...

On immigration, Trump declared a national emergency at the U.S.-Mexico border and has seen border crossings plummet during ...

U.S. Senator John Cornyn (R-TX) released the following statement after Agriculture Secretary Brooke Rollins and Deputy Secretary of State Christopher Landau ...

From impromptu car sales to Oval Office bust-ups, the president has already raised the bar this presidency for some ...

Mexico has agreed to immediately transfer water to the United States and increase the U.S. share of water flow from their ...

A joint agreement appeared to avert a threat by President Trump of tariffs and sanctions in a long-running dispute over water ...

The Pentagon is set to control the Roosevelt Reservation, a 170-mile stretch at the southern border, where troops can detain ...

Mexico and the United States say they have reached an agreement that involves Mexico immediately sending more water from ...

Learn about the recent agreement between the U.S. and Mexico on managing the screwworm infestation affecting livestock.