Scientists find signs of Alzheimer's in dolphin brains
In total, 22 dolphin brains were studied in which researchers noted that the animals presented alterations in their brain chemistry, changes most commonly found in humans who have Alzheimer's.
In total, 22 dolphin brains were studied in which researchers noted that the animals presented alterations in their brain chemistry, changes most commonly found in humans who have Alzheimer's.
Video: Bald eagle carries Canada goose in its talons
CCTV footage captured a bald eagle carrying a large Canada goose in its talons.
CCTV footage captured a bald eagle carrying a large Canada goose in its talons.
Relocated ‘nuisance’ bear travels nearly 1,000 miles, returns to national park
A bold black bear with a reputation for looting campsites and backpacks has wowed researchers once again.
A bold black bear with a reputation for looting campsites and backpacks has wowed researchers once again.
Watch: Playful otters show off slip and slide skills in the snow
The adorable otters were caught on camera making the most of a recent Seattle snowfall.
The adorable otters were caught on camera making the most of a recent Seattle snowfall.
P-22, LA's famous mountain lion, remembered at memorial hike at Griffith Park
P-22, the iconic mountain lion who roamed Los Angeles, was euthanized Saturday.
P-22, the iconic mountain lion who roamed Los Angeles, was euthanized Saturday.
P-22 euthanized: Famed LA mountain lion put down due to injuries, 'chronic' health problems
P-22, LA's famous mountain lion was euthanized. Wildlife officials said the mountain lion had a skull fracture as well as kidney failure and liver disease.
P-22, LA's famous mountain lion was euthanized. Wildlife officials said the mountain lion had a skull fracture as well as kidney failure and liver disease.
P-22: Officials provide grim update about LA’s famous mountain lion
California wildlife officials said it's unlikely P-22 will be released back into the wild.
California wildlife officials said it's unlikely P-22 will be released back into the wild.
Spider infestation temporarily shuts down Wisconsin middle school
A letter sent out to parents by the school identified the spiders as yellow sac spiders, a common species in the United States.
A letter sent out to parents by the school identified the spiders as yellow sac spiders, a common species in the United States.
Heartbreaking photos show whale migrated 3,000 miles despite broken spine
She miraculously carried on with her yearly migration from Canada to Hawaii with a paralyzed tail and, sadly, will not be strong enough to make it back.
She miraculously carried on with her yearly migration from Canada to Hawaii with a paralyzed tail and, sadly, will not be strong enough to make it back.
'It's raining monkeys!' Florida man records monkeys jumping from trees into river at Silver Springs State Park
When you're exploring the great outdoors in Florida, you might expect to see alligators in the water or native egrets flying above. But as one man and his family were boating down the Silver River in Silver Springs State Park, they probably didn't expect to see monkeys leaping from trees into the water right in front of them.
When you're exploring the great outdoors in Florida, you might expect to see alligators in the water or native egrets flying above. But as one man and his family were boating down the Silver River in Silver Springs State Park, they probably didn't expect to see monkeys leaping from trees into the water right in front of them.
P-22: LA's celebrity mountain lion captured after days-long search
P-22, the mountain lion at the center of a days-long search across Los Angeles, has been captured. Officials now believe the famous big cat may have been struck by a car.
P-22, the mountain lion at the center of a days-long search across Los Angeles, has been captured. Officials now believe the famous big cat may have been struck by a car.
These animals are champions in this year’s Comedy Wildlife Photography Awards
This year’s star is a clumsy, 3-month-old lion cub figuring out his way in the wilds of the Serengeti -- though a sassy penguin topped the list, too.
This year’s star is a clumsy, 3-month-old lion cub figuring out his way in the wilds of the Serengeti -- though a sassy penguin topped the list, too.
Watch: Lion cubs rescued from Ukraine play in Minnesota snow
Four lion cubs rescued from Ukraine are making themselves at home as they experience their first Minnesota winter.
Four lion cubs rescued from Ukraine are making themselves at home as they experience their first Minnesota winter.
Never-before-seen fish: Researchers discuss new species found more than 3 miles under the sea
Australian researchers searched deeper than scuba divers and submarines could go and found some never-before-seen specimens.
Australian researchers searched deeper than scuba divers and submarines could go and found some never-before-seen specimens.
Initial Thanksgiving western monarch butterfly count shows promise with highest total in 20 years
The preliminary western monarch butterfly count found more than 300,000 monarch butterflies across 183 sites in California.
The preliminary western monarch butterfly count found more than 300,000 monarch butterflies across 183 sites in California.
Fox caught stealing snacks outside NJ home
A pesky little fox was caught on camera stealing snacks left for delivery drivers.
A pesky little fox was caught on camera stealing snacks left for delivery drivers.
Coyote attacks toddler outside Woodland Hills home
A toddler was bitten by a coyote in Woodland Hills. Experts say the attack could be related to people feeding coyotes in the area.
A toddler was bitten by a coyote in Woodland Hills. Experts say the attack could be related to people feeding coyotes in the area.
Mom fights off raccoon attacking young daughter waiting for school bus
The whole thing was captured on her home surveillance video — including when she grabbed the raccoon by the scruff and flung it across the yard.
The whole thing was captured on her home surveillance video — including when she grabbed the raccoon by the scruff and flung it across the yard.
Jonathan the tortoise celebrates 190th birthday, oldest living land animal
Jonathan the tortoise has outlived both World Wars. He is older than the first photograph and has lived through the administrations of 39 U.S. presidents.
Jonathan the tortoise has outlived both World Wars. He is older than the first photograph and has lived through the administrations of 39 U.S. presidents.
Watch: Heroic mom saves young daughter from rabid raccoon attack
Video shows the little girl repeatedly trying to kick the raccoon off her leg before her mom steps in.
Video shows the little girl repeatedly trying to kick the raccoon off her leg before her mom steps in.