Squirrel attacks send two people to the hospital in a Bay Area neighborhood
A Bay Area neighborhood is dealing with a very aggressive squirrel that has sent at least two people to the hospital.
A Bay Area neighborhood is dealing with a very aggressive squirrel that has sent at least two people to the hospital.
Bears steal groceries from family's pick-up: 'That's our food!'
The bears took a bag of food off one of the pickup trucks seen in the video and scurried off.
The bears took a bag of food off one of the pickup trucks seen in the video and scurried off.
Watch: Sharks, humpback whales seen swimming off Long Island coast
The whales and sharks were spotted swimming off the coast of Montauk in New York.
The whales and sharks were spotted swimming off the coast of Montauk in New York.
Yellowstone National Park trail shut down after first bear attack in 4 years
Grizzly bears and black bears coexist in Yellowstone, according to the National Park Service, and it's unclear which one was involved in the attack.
Grizzly bears and black bears coexist in Yellowstone, according to the National Park Service, and it's unclear which one was involved in the attack.
Life on Mars: What we know after NASA's announcement
NASA scientists say a rock sample collected by the Perseverance rover in Jezero Crater may contain the strongest signs yet of ancient microbial life on Mars, though more analysis is needed before drawing firm conclusions.
NASA scientists say a rock sample collected by the Perseverance rover in Jezero Crater may contain the strongest signs yet of ancient microbial life on Mars, though more analysis is needed before drawing firm conclusions.
Study reveals pre-CTE damage in brains of even young contact-sport athletes
An NIH-funded study of athletes under 51 found repeated head impacts can cause early neuron loss and brain inflammation years before CTE is detectable.
An NIH-funded study of athletes under 51 found repeated head impacts can cause early neuron loss and brain inflammation years before CTE is detectable.
Florida woman fights off gator dragging leashed puppy into creek while on walk
A dog and its owner are recovering after an alligator dragged them into a creek in Pasco County.
A dog and its owner are recovering after an alligator dragged them into a creek in Pasco County.
Rocks found by NASA's Mars rover offer strongest hints yet of past life
Rocks found on Mars may provide the strongest evidence yet of past life on the Red Planet, but more testing is needed to back up those findings.
Rocks found on Mars may provide the strongest evidence yet of past life on the Red Planet, but more testing is needed to back up those findings.
Why are coyotes swimming to Angel Island?
An unusual sighting was caught on video – a coyote swimming in the San Francisco Bay on its way to Angel Island.
An unusual sighting was caught on video – a coyote swimming in the San Francisco Bay on its way to Angel Island.
Hikers on psychedelic mushrooms rescued after getting lost in NY mountains
A hiking trip took a “trippy" turn that ended with a group having to be rescued from a popular mountain destination in New York State last month.
A hiking trip took a “trippy" turn that ended with a group having to be rescued from a popular mountain destination in New York State last month.
Arkansas man, 72, mauled by 70-pound bear
The man suffered extensive injuries to his face and upper body before being airlifted to a hospital.
The man suffered extensive injuries to his face and upper body before being airlifted to a hospital.
Man dies in shark attack at Sydney beach
A man in his 50s was killed by a large shark while surfing at a beach near Sydney, Australia on Saturday.
A man in his 50s was killed by a large shark while surfing at a beach near Sydney, Australia on Saturday.
Total lunar eclipse coinciding with this weekend’s full moon
This month’s full moon coincides with a lunar eclipse – but it unfolds on the opposite side of the world Sunday night and early Monday.
This month’s full moon coincides with a lunar eclipse – but it unfolds on the opposite side of the world Sunday night and early Monday.
Escaped bulls make their way onto KTVU's Roberta Gonzales' East Bay front yard
It was an unusual sight on Friday morning for KTVU Meteorologist Roberta Gonzales, who woke up to a couple of escaped bulls in her Livermore front yard.
It was an unusual sight on Friday morning for KTVU Meteorologist Roberta Gonzales, who woke up to a couple of escaped bulls in her Livermore front yard.
September skygazing guide: Saturn shines bright, Corn Moon and Autumnal equinox
Early risers have the chance to see six planets at once.
Early risers have the chance to see six planets at once.
8-year-old boy bitten by shark while snorkeling at Florida beach, deputies say
An 8-year-old boy was bitten by a shark on Monday while snorkeling off Key Largo, Florida, deputies say.
An 8-year-old boy was bitten by a shark on Monday while snorkeling off Key Largo, Florida, deputies say.
Northern Lights possible in Midwest, northern US on Labor Day
An eruption of charged material from the Sun will create vivid displays of Northern Lights as far south as the Midwest on Labor Day, according to NOAA’s Space Weather Prediction Center.
An eruption of charged material from the Sun will create vivid displays of Northern Lights as far south as the Midwest on Labor Day, according to NOAA’s Space Weather Prediction Center.
See it: Photos show glowing baby planet outside of our solar system
Astronomers have, for the first time, detected a planet growing inside a cleared gap of a protoplanetary disk, confirming long-held theories about how young planets shape their star systems.
Astronomers have, for the first time, detected a planet growing inside a cleared gap of a protoplanetary disk, confirming long-held theories about how young planets shape their star systems.
Wildlife Photographer of the Year sneak peek: See the stunning photos
A dramatic stand-off between a lion and a cobra. A lone elephant wading through a landfill in Sri Lanka. Here's a sneak peek at the Wildlife Photographer of the Year's top photos.
A dramatic stand-off between a lion and a cobra. A lone elephant wading through a landfill in Sri Lanka. Here's a sneak peek at the Wildlife Photographer of the Year's top photos.
Popular beaches closed after warnings of stinging blue dragon sea slugs
Blue dragon sea slugs' venom is very powerful, and touching one, even through gloves, can cause a painful sting.
Blue dragon sea slugs' venom is very powerful, and touching one, even through gloves, can cause a painful sting.