Each birth matters for a species that vanished from the wild after years of adverse effects from human activity.

Chester Zoo’s endangered giant otter triplets make their swimming debut as part of a conservation breeding program designed to support the threatened species.

When a rare but deadly rodent-borne virus struck passengers on a cruise ship and seemed to be spreading, there were no ...

The arctic fox completely swaps its dark summer coat for a snow-white one when winter is coming. The kidney garden spider ...

Biologists say red foxes in the Cooke City/Silvergate area near Yellowstone have rare, nearly pure wild genes dating back to ...

A large wildfire has burned a third of Santa Rosa Island in California’s Channel Islands National Park — an area home to dozens of rare plants and animals, including some found nowhere else in the ...

A fossil found in what’s now northwestern China belonged to a microraptor, a gliding dinosaur that hunted ancient birds.

From icy tundras to scorching deserts, foxes have evolved into some of the most adaptable and diverse animals on Earth. With over 20 species, each has unique traits shaped by their environment. Some ...

May 15th is known as Endangered Species Day. It was established to raise awareness of wildlife at risk of extinction and to celebrate conservation efforts. San Diego County is known as a biodiversity ...

This 20-year-old corridor, first in Los Angeles County, gives animals a safer path, and environmentalists reason to celebrate ...