'Devil comet' could become visible to the naked eye this month

Stargazers should check the sky to get a glimpse of 12PPons-Brooks which is heading toward its closest approach to the sun on its 71-year orbit.

Fossil of ‘nightmarish’ sea reptile found in Morocco

The giant sea lizard had dagger-like teeth and was just one of the many apex predators hunting our oceans 66 million years ago.

Mountain storm: Great water supply and skiing with a big dose of danger

California's mountains provide water, natural habitat, recreation, and tourism. That said, the mountains can provide real winter danger. As of Friday afternoon, I-80 westbound traffic is being turned at the Nevada State Line, and eastbound traffic on the same interstate is being turned around at Drum Forebay due to spin-outs, high winds, and low visibility.

How to watch the total solar eclipse with NASA

April’s solar eclipse will be hard to miss. If you’re anywhere within a large swath of the U.S., all you’ll need to do is look up. But if you want to watch this once-in-a-lifetime celestial event with experts, NASA is ready for you. 

Mountain lion spotted in Livermore neighborhood

Home surveillance video shows a mountain lion walking across the front lawn of a home in Livermore Sunday. Experts said the animal is a juvenile male, likely looking for food and to establish its own territory. They said sighting in the East Bay are rare.

Joro spiders known for giant webs poised to invade more US cities, study warns

Joro spiders have been found in new research to be even more "urban tolerant" than previously believed, setting these creatures up to invade even more U.S. cities.

Balloon over US was likely hobbyist, officials says

The small balloon discovered flying over the U.S. Friday was likely a hobbyist balloon, officials said.

Study finds microplastics linked to thousands of premature births

Using data from over 5,000 mothers, researchers determined that longterm exposure to such chemicals resulted in increased risk of premature births.