River rafters say big California snowmelt means epic season

Triple Threat. Deadman’s Drop. Satan’s Cesspool. After years of drought, the rapids along California’s American River are truly living up to their names.

Pet tortoise found strolling through Florida neighborhood reunited with family

The Monroe County Sheriff's Office said the African spurred tortoise was spotted Thursday strolling around the Harry Harris subdivision in the Florida Keys.

Mystery deepens as fanged fish wash up on Oregon beaches

Unusual-looking deep-sea lancetfish have been washing ashore on Oregon beaches recently, baffling experts as to why.

Scientists discover star devouring planet for first time and think Earth could suffer same fate

The star began to grow in size after running out of fuel, which decreased the distance between it and the neighboring planet, eventually consuming it entirely, according to NASA’s Jet Propulsion Laboratory.

Flower moon 2023: When to see the brightest full moon in May

The flower moon was named by Native Americans in the northern and eastern U.S., according to NASA. They observed flowers in abundance during this springtime full moon, which inspired the name “flower moon."

Look out for these astronomical events in May

April showers bring May flowers, and apparently, that's the case for the full moon this month too. Here are the celestial shows to look out for this month.

China’s Mars rover discovers signs of recent water in sand dunes

The rover's radar detected what appears to be a subsurface layer of water ice beneath a layer of Martian soil. The discovery is significant as it suggests that water may exist in a liquid state on Mars.

Park rangers: 70-year-old man fends off cougar attack with rock

The unidentified man told authorities that he was hiking through some trees when a cougar jumped out and knocked him to the ground.

Yosemite Valley to reopen after fears of flooding recede

Temporarily shuttered parts of Yosemite Valley will reopen earlier than expected after fears of flooding receded Saturday, park officials announced.

Most of Yosemite National Park closed until next week

The Yosemite area is bracing for flooding, and rangers have closed much of the famous park to visitors for the next few days. 

Scientists discover 3 new sea worms that glow in the dark

The newly-discovered bioluminescent Polycirrus worms were named after creatures from Japanese folklore and an influential marine biologist.

San Joaquin bracing for high snowmelt water flows

Near Vernalis in San Joaquin County, the San Joaquin River is fed from the north by the high-flowing Stanislaus River and from the south where the Tuolumne River dumps into it.

Black bear ‘destroyed’ after killing hikers’ dog, hiding body in Canada's Jasper National Park

The attack happened around 4 p.m. Saturday at the Alberta park situated in the Canadian Rockies, as two hikers and their two dogs were returning to the trailhead on Wabasso Lake Trail, Parks Canada said.

Photographer captures rare, spectacular Northern Lights show in Bay Area

A major geomagnetic storm last week led to rare and spectacular viewings of Northern Lights in California, and a Bay Area photographer was among the lucky sky-gazers who managed to capture the extraordinary event.

Once-drained Tulare Lake growing due to snowmelt, threat of flooding a concern

Several communities across California are preparing for trouble as the record Sierra snow starts to melt. The concern is greatest for Tulare Lake, a natural lake that was drained to make way for farming. That lake has reappeared and now threatens entire towns.