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.
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.
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.
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.
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.
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.
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.
The tiny fish were seen swimming, or rather "climbing" up rocks, a behavior that hadn't been seen before.
Shark takes huge bite out of surfer’s board: 'It bit right behind him’
An Australian surfer narrowly escaped injury after a shark bit his board in half.
An Australian surfer narrowly escaped injury after a shark bit his board in half.
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.
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.
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.
Black bear crashes vacation, takes a dip in Tennessee hot tub
Caught on camera: A black bear recently turned a Tennessee hot tub into its personal spa.
Caught on camera: A black bear recently turned a Tennessee hot tub into its personal spa.
Bat colony found in Grand Teton lodge, possibly exposing hundreds to rabies
Hundreds of people could potentially have been exposed to rabies during their summer vacation at Grand Teton National Park.
Hundreds of people could potentially have been exposed to rabies during their summer vacation at Grand Teton National Park.
Hiker made fatal mistake when encountering venomous snake, officials say
Emergency responders performed CPR after witnesses said the hiker picked up a rattlesnake.
Emergency responders performed CPR after witnesses said the hiker picked up a rattlesnake.
Oldest-ever Great Lakes lake trout recorded in Lake Superior
The best way to measure how old a fish is is by counting the number of rings formed on a chunk of calcium living in its inner ear. This lake trout, named Mary Catherine, had 62 rings.
The best way to measure how old a fish is is by counting the number of rings formed on a chunk of calcium living in its inner ear. This lake trout, named Mary Catherine, had 62 rings.
Video: Florida alligator devours python in Everglades
An alligator in the Florida Everglades was seen doing its part to combat the invasion of Burmese pythons in the region, chomping on the limp body of one of the massive snakes and swimming off with the meaty catch.
An alligator in the Florida Everglades was seen doing its part to combat the invasion of Burmese pythons in the region, chomping on the limp body of one of the massive snakes and swimming off with the meaty catch.
Wild rabbits spotted with strange 'horn-like' growths sprouting from their heads
Recently, some wild rabbits have been seen in the U.S. with "horn-like" growths spurting from their heads that are caused by a viral infection, according to experts.
Recently, some wild rabbits have been seen in the U.S. with "horn-like" growths spurting from their heads that are caused by a viral infection, according to experts.