The frog's prevalence made it a popular food source in the 1800s and for miners during the California Gold Rush, says Bennett Hardy, an amphibian ecologist at the San Diego Natural History Museum.

This California forest has a tree that’s nearly 5,000 years old. But its location is a closely guarded secret - Scientists believe the famed ‘Methuselah tree’ was alive before the foundation ...

Maybe the California red-legged frog will see good days in the future, she said. Still, the fire has tempered some of Delaney’s former optimism. “I think it’s going take a lot of years ….

Years ago, scientists moved eggs of a federally threatened frog from Mexico to Southern California. Audio monitoring -- with an AI assist -- now shows the complicated conservation effort is working.

Hidden high in the White Mountains of eastern California, a gnarled, weathered tree quietly holds a staggering secret — it's nearly 5,000 years old.

There's new hope for an endangered California frog that has vanished from half of its habitat. The state Fish and Game Commission on Wednesday approved protections for five of six populations ...

SACRAMENTO, Calif. — In response to a Center for Biological Diversity petition and lawsuits, the U.S. Fish and Wildlife Service today protected four populations of foothill yellow-legged frogs in ...

High in the arid mountain forests of eastern California there is a living tree that's older than the pyramids of Giza and the ancient city-state of Babylon — but its location is a secret. The ...

Methuselah is the oldest known tree in the Methuselah Grove, which stands at nearly 10,000 ft above sea level in what is now Inyo National Forest. It's a standout example of the Great Basin ...