Learn about the successful rescue and reintroduction efforts of the California red-legged frog in Santa Monica Mountains.

Inspired by a mountain lion isolated from potential mates, the world's largest wildlife bridge is being built in Los Angeles ...

She put millions from her foundation into projects in California, like a performing arts center in Beverly Hills and a ...

Wallis Annenberg, philanthropist who made massive donations to arts, education and animal welfare causes and whose name is on ...

Wildlife and public safety officials in western U.S. states have issued warnings as tarantula mating season brings a surge of spiders onto trails, parks, and residential areas from August through ...

A 916,000-acre cattle ranch in Wyoming—complete with a nine-bedroom lodge—hit the market Wednesday for $79.5 million.

The carnage included parts of the 18-square-mile Topanga Creek watershed in the Santa Monica Mountains — the only habitat of the Southern California steelhead trout.

Florida panthers are making a comeback. That's the conclusion a team including UCLA biologists has come to following an ...

In 1995, panthers from Texas were introduced to the Sunshine State in an attempt to preserve the Florida panther population from inbreeding leading toward extinction.  A new study shows that ...

Key takeawaysIn 1995, panthers from Texas were introduced to the Sunshine State in an attempt to preserve the Florida panther ...