Border Wall

These weasel-like small cats haven’t been documented in the country since 1986. A new study suggests it’s time to reintroduce them.

As climate change pushes people and families across international borders, they’ll find few protections. That can be fixed.

In its final days, the administration is rushing to cement its destructive legacy with attacks on clean air, wildlife and public lands that could be difficult to undo.

President Trump’s notorious border wall is just one transboundary threat to the world’s wildlife.

The White House’s 2021 federal budget proposal eliminates several important programs and slashes funding for others — like the Endangered Species Act.

Expert contributors took us to the Arctic, the borderlands and everywhere in between.

The public has long supported a state program to provide water for wildlife, but now human threats, including border-wall construction and climate change, are making a bad situation worse.

The decline of a rare cactus in a national park epitomizes the Trump administration’s failure to protect endangered species along the border.

Residents of southern Arizona are protecting jaguar habitat and creating jobs in the hopes that a restoration economy can beat an extraction economy.

When big cats cross from one country into another, they can fall victim to wildlife traffickers, drug cartels, highways and more emerging threats.