The Night a Tidal Wave Erased Downtown Crescent City, California

How geologists read millions of years of history in California's highway roadcuts.

Whale falls offer scientists a treasure trove of information about life in the deep ocean. Microbiologist Jeffery Marlow talks about the importance of microbes.

Deep-sea scientist Jeffrey Marlow discusses the astonishing diversity of microbial life, whale falls, hydrothermal vents, deep-sea mining, and the tiny organisms that help make Earth habitable.

The Gibbon Conservation Center in Santa Clarita is home to about 40 endangered apes and has become a globally important center for conservation, research, and education.

How local fishermen transformed Cabo Pulmo into one of the world's greatest marine conservation success stories.

From microscopic plankton to billions of barrels of oil, few rock formations have shaped California's history more profoundly than the Monterey formation.