The flare came from a supermassive black hole that's 10 billion light years away, making the flash the most distant one ...

A new study using data from the W. M. Keck Observatory on Maunakea serves up the closest-ever view of a planet-forming disk ...

An atmospheric river pounds Northern California during a supermoon event, leading the state to dispatch emergency services; ...

SAN DIEGO COUNTY, CA - A 2.0 magnitude quake was reported close to Palomar Observatory Saturday morning, according to the U.S. Geological Survey.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Griffith Observatory will host a live online ...

Astronomers spotted the largest flare ever released from a supermassive black hole as it snacked on a giant star.

The first image from the Vera C. Rubin telescope reveals a previously unnoticed feature of the galaxy M61 that may explain ...

Just an hour east of San José, up a steep road with bursting wildflowers and crooked oak trees winding through the Diablo Range, sits one of California’s most remarkable scientific outposts. Perched 4 ...

Forecasters think that strong rip currents could hit Southern California, increasing flood and drowning risks.

LOS ANGELES (Reuters) - Crews fought on Tuesday to defend homes and the famed Mount Wilson Observatory from California's biggest and most dangerous wildfire, standing their ground at a major highway ...