In the rugged terrain where Mexico and the United States meet, a border wall is just the latest obstacle fragmenting habitats and disrupting migration paths. Here’s how a cadre of conservationists is ...

One of the most attractive critters at the zoo splashes through frigid waters: polar bears, the beauties of the Arctic Circle ...

This February, witness Africa’s lions, leopards, and cheetahs in Big Cat Month on National Geographic Wild, featuring survival, rivalry, and raw power.

A young mountain lion has been spotted roaming the streets of San Francisco. Authorities say the animal was located near ...

The new nature documentary TV series premieres on Saturday, Jan. 24.

While the Zoo was closed, staff members captured some rare scenes of the animals experiencing the falling snow.

The sun was still low on the horizon when 19-year-old Piper James walked toward the Pacific Ocean for a morning swim on an island whose name in the local language means “paradise.” ...