Hundreds of U.S. Marines arrived in the Los Angeles area on Wednesday under orders from President Donald Trump, ratcheting up ...

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 ...

after an earthquake shook Southern California. Paul Nelson ... “I thought the single-pane windows were going to crack because they were shaking pretty good, but they didn’t,” he said.