President Donald Trump’s order covers Arizona’s four border counties – Yuma, Pima, Santa Cruz and Cochise – except for a ...

There are animals trying to cross as if their life depended on it,” researcher Erick Meza told the Society of Environmental Journalists’ conference.

Thomas Alvarez of the Tohono O’odham Nation looks over mountains for a site marked in his handheld GPS outside of Globe, ...

President Trump directed the Justice Department to investigate a Democratic-aligned fundraising site, and the FBI arrested a ...

Amid President Donald Trump's immigration crackdown, military assets and personnel are increasingly being relied upon for a ...

SAN DIEGO — Environmental Protection Agency Administrator Lee Zeldin’s trip Tuesday to this scenic family-friendly coastal ...

Long languishing in the dark depths of the Pacific Ocean, the sunken aircraft carrier USS Yorktown has held secrets for 83 ...

At the heart of immigration, New Mexico residents confront the human toll and policy failures shaping life along the ...

The first Trump administration built long segments of steel wall on Arizona's border. Conservationists fear wildlife will ...

The Trump administration plans to build nearly 25 miles of steel-posted border wall through Arizona's San Rafael Valley ...

Central Europe is grappling with an outbreak of foot-and-mouth disease among cattle, prompting border closures and the ... has said the restrictions could be lifted 30 days after the last farm ...