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.
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.
Watch: Feisty little Pomeranian chases bear out of home
A proud Pomeranian fearlessly protected his home – or more likely his food bowl – from a black bear who wandered inside.
A proud Pomeranian fearlessly protected his home – or more likely his food bowl – from a black bear who wandered inside.
Millions watch livestream of deep sea creatures from Argentina, latest in 'slow TV' fad
A livestream of deep-sea creatures captivated Argentina, highlighting the calming global trend of “slow TV." Here's why millions tuned in.
A livestream of deep-sea creatures captivated Argentina, highlighting the calming global trend of “slow TV." Here's why millions tuned in.
Octopus latches onto 6-year-old boy, refusing to release, mother says, showing footage of the child's injuries
The marks extended up the child's arm.
The marks extended up the child's arm.
Denali moose crash: 24-year-old driver killed
A 24-year-old international tourist was killed when he was driving and hit a moose near Denali National Park in Alaska.
A 24-year-old international tourist was killed when he was driving and hit a moose near Denali National Park in Alaska.
Radioactive wasp nest found at former nuclear weapons site
A wasp nest found in South Carolina had radiation levels 10 times higher than what’s allowed by federal regulators.
A wasp nest found in South Carolina had radiation levels 10 times higher than what’s allowed by federal regulators.
PhD student's beach walk leads to stunning discovery of elusive sea creature
The Janthina species are known for their vibrant color and unique floating ability. They are typically found in tropical seas.
The Janthina species are known for their vibrant color and unique floating ability. They are typically found in tropical seas.
Florida alligator takes woman's shoe after she provoked him: 'Serves her right'
A Florida alligator got some not-so-subtle revenge against a woman who threw her shoes at it – by taking one of them with him into the water. Watch the video in the player above.
A Florida alligator got some not-so-subtle revenge against a woman who threw her shoes at it – by taking one of them with him into the water. Watch the video in the player above.
Woman mauled by bear while hiking on popular Alaska trail
A woman had to be rescued from a popular hiking trail in Anchorage, Alaska after being attacked by a brown bear this week.
A woman had to be rescued from a popular hiking trail in Anchorage, Alaska after being attacked by a brown bear this week.
New blue pool at Yellowstone National Park discovered after 'mildly explosive' activity
A routine temperature check at the Norris Geyser Basin in Yellowstone National Park led geologists to discover a new blue water spring.
A routine temperature check at the Norris Geyser Basin in Yellowstone National Park led geologists to discover a new blue water spring.
Bear surprised by motion-activated sprinkler: Video
A black bear got quite the surprise when it activated a sprinkler in a yard in Minnesota. The hilarious moment was caught on video.
A black bear got quite the surprise when it activated a sprinkler in a yard in Minnesota. The hilarious moment was caught on video.
Watch: Momma moose searches Alaska fire department for her calves
"That would explain what she needed," the mechanics said when they realized why the moose was on the mission.
"That would explain what she needed," the mechanics said when they realized why the moose was on the mission.