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.
Tourists rescued after orcas attack 2 sailboats off Portuguese coast
First responders were able to locate and rescue the tourists and there were no injuries in the incident.
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.
Dead vultures found in Maryland 'presumptively positive' for avian influenza
Health officials say several dead vultures found in the La Plata area of Charles County have tested presumptively positive for avian influenza.
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.
Rare manatee sighting in Texas temporarily halts $64 million construction project
According to the Texas Marine Mammal Stranding Network, sometimes West Indian Manatees migrate from Florida to Texas in the summer. These sightings are still rare.
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.
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.
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.
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.
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.
Box Tree Moth: New invasive bug threatens plants in DMV
There is a new invasive pest in town and experts say it’s even worse than spotted lantern fly.
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.
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.
Hiker made fatal mistake when encountering venomous snake, officials say
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.
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.
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.