Thousands of Californians felt the ground shake underneath them as many were protesting ICE raids in San Francisco.

City of Pinole hit by an earthquake at the same time as anti-immigration raids protests were taking place in downtown San Francisco.

Near-shore tsunamis, those triggered by earthquakes just off the coast, could pose a particularly dire risk for California’s ...

SANTA CRUZ, Calif. — The Santa Cruz Wharf, jutting half a mile into the Monterey Bay, offers a cheerful stroll past souvenir ...

A near-certain disaster looms for California, but there are real things people can do to prepare. Here's what to know about the risks.

A new simulation by researchers shows how a neutron star violently cracks seconds before vanishing into a black hole.

Across the cosmos, many stars can be found in pairs, gracefully circling one another. Yet one of the most dramatic pairings ...