There's excitement on the beaches of Southern California

An adult humpback whale has been spotted in California's largest river

Foundations funded by Leonardo DiCaprio and Jeff Bezos have launched a $200 million initiative to revive 100 of Earth's most threatened species

A lone coyote stunned biologists and others by swimming to Alcatraz Island earlier this year

Visitors are flocking to Death Valley National Park in California and Nevada to take in a rare phenomenon known as a superbloom

California photographer and conservationist Krystle Hickman is on a quest to document hundreds of species of native bees, which are under threat by climate change and habitat loss, some of it caused by the more recognizable and agriculturally valued honey bee

Scientists on a research vessel off the California coast are marveling at a rare find — a waved albatross was spotted soaring over the Pacific

A young mountain lion has been spotted roaming the streets of San Francisco

Every winter, about 10,000 elephant seals make their way to California’s Año Nuevo State Park, to fight, mate and give birth