Man killed by lion after entering enclosure at zoo: 'The animal attacked'

A zoo guest who decided to climb a wall to enter a lion enclosure to apparently take a selfie was mauled to death by the animal Thursday, according to reports.

How NASA plans to study the sounds of the total solar eclipse

Eclipse watchers can help NASA study how the April total solar eclipse impacts wildlife and insects. The abrupt darkness can fool animals into thinking its dusk.

California's chain of storms continue, replenishing reservoirs

While intense snow and rain can be a serious challenge, the ⁠⁠silver lining is the color of abundant clear, clean water.

These states have the most UFO sightings

Here's where people are reporting the most UFO sightings in the U.S., according to the National UFO Reporting Center.

Thousands of flight attendants to hold nationwide pickets amid contract negotiations

The effort comes at a time when more than two-thirds of U.S. flight attendants are in the midst of contract negotiations with employers, including American, Alaska, United, Southwest and Frontier Airlines.

Commercial fishing boat runs aground near Bay Area marine sanctuary

A 58-foot commercial fishing vessel ran aground Friday night two miles southwest of Bodega Bay in the Greater Farallones National Marine Sanctuary, the U.S. Coast Guard said.   

40 years ago, he became the first one-man spacecraft

Astronaut Bruce McCandless drifted away from the space shuttle and into history. The photo of his untethered spacewalk became one of the most iconic images of the decade.

Pilot killed in Concord plane crash identified

A pilot who died in a plane crash Tuesday in Concord has been identified by the Contra Costa County Sheriff's Office as Jacek Romanski, a 75-year-old Berkeley resident.   

Syphilis reaches 1950s levels in US, while other STD rates show mixed trends

The U.S. syphilis epidemic isn't abating, with the rate of infectious cases rising 9% in 2022, according to a new federal government report on sexually transmitted diseases in adults.

Concord plane crash kills 1

A small plane crashed in Concord, killing the pilot on Tuesday, authorities said. 

The only other time a space shuttle was stacked in California

When the space shuttle program was initially developed, NASA expected to fly dozens of missions per year, not just from Kennedy Space Center in Florida, but also from a launch site on the West Coast.

Here's what the Pentagon's former UFO hunter learned on the job

The Pentagon official who led efforts to centralize UFO investigations has some harsh words for some members of Congress.

NASA's Ingenuity helicopter takes final flight on Mars

NASA's Ingenuity Mars helicopter was widely acclaimed to be the "Wright Brothers moment" of space exploration. Officials made the unexpected announcement this week that its mission has ended.

See the asteroid sample a NASA spacecraft took 7 years to bring back to Earth

NASA's OSIRIS-REx asteroid sample canister is no longer holding up science after the curation team at Johnson Space Center removed two fasteners preventing access to the full sample from asteroid Bennu.