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.

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.

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.

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.

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.

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.

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.

Watch: Video shows rare fish's ability to climb rocks

The tiny fish were seen swimming, or rather "climbing" up rocks, a behavior that hadn't been seen before.

Sea lion colony shuts down popular California beach

A colony of sea lions has taken over a popular beach and tourist destination in Monterey, prompting a public safety notice and the beach’s closure.   

Bear caught red-handed raiding South Lake Tahoe ice cream shop

A bear raided a South Lake Tahoe ice cream shop over the weekend. Surprisingly, not much damage was done to the shop, according to officials.