Migration pathways for animals will be further fragmented by the new additions to the wall along the U.S.-Mexico border. This story was originally published by Sierra and is republished here by ...

Some videos on YouTube show one man cutting through a section of border wall and another man climbing over the wall with a long ladder. Viewers might conclude that "walls do not work" and are a "waste ...

President Donald Trump is swiftly moving forward with a keystone campaign promise from his first term: to build the border wall. Within six months of returning to the White House, Trump has been able ...

Borderlands wildlife advocates who were already on alert over the Trump administration’s renewed border wall construction are now contending with government plans to double up the barrier with a ...

Border walls and new surveillance technology could be coming to the greater Big Bend region and the rest of Texas’ southern border as part of a sweeping “Smart Wall” plan announced by the Trump ...

A defining throughline in President Donald Trump's back-to-back-to-back political campaigns is his promise to construct a wall along the U.S.-Mexico border. The White House said June 20 that the ...

NOGALES, Ariz. -- Inside an armored vehicle, an Army scout uses a joystick to direct a long-range optical scope toward a man perched atop the U.S.-Mexico border wall cutting across the hills of this ...

Rugged mountain ranges in southeastern Arizona halted the march of a steel border wall during the first Trump presidency. Wildlife advocates say it shows the importance of animal travel routes.

The Trump administration is preparing to build a second parallel wall along the international border in southern Arizona. Wildlife advocates say the added barrier will further disrupt wildlife ...