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.
Polar bears near 'Polar Bear Capital' dying at alarming rate, new survey found
Females and bear cubs are having an especially hard time surviving, the study found.
Females and bear cubs are having an especially hard time surviving, the study found.
Minnesota bear cub adjusts researchers' trail camera with 'surprisingly good results'
A bear cub in northern Minnesota adjusted a Voyageurs Wolf Project trail camera, with some "surprisingly good results." Have a watch.
A bear cub in northern Minnesota adjusted a Voyageurs Wolf Project trail camera, with some "surprisingly good results." Have a watch.
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.
Second shark attack reported in Hawaii days after woman disappeared while snorkeling
The shark released the man after he used a diving knife to defend himself, authorities said.
The shark released the man after he used a diving knife to defend himself, authorities said.
Alaska state trooper killed in muskox attack outside his home: 'Tragic loss for our state'
Officer Curtis Worland was fatally attacked after trying to keep a group of muskoxen away from a dog kennel near his home.
Officer Curtis Worland was fatally attacked after trying to keep a group of muskoxen away from a dog kennel near his home.
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.
Environmentalists want jaguars reintroduced to US Southwest
An environmental group petitioned the U.S. Fish and Wildlife Service to help reintroduce the jaguar to the Southwest, where it roamed for hundreds of thousands of years before being whittled down to just one of the big cats known to survive in the region.
An environmental group petitioned the U.S. Fish and Wildlife Service to help reintroduce the jaguar to the Southwest, where it roamed for hundreds of thousands of years before being whittled down to just one of the big cats known to survive in the region.
13 bald eagles possibly poisoned after eating euthanized animals
Ten of the birds are in intensive care at the University of Minnesota Raptor Center.
Ten of the birds are in intensive care at the University of Minnesota Raptor Center.
'Medusa’ spotted with first calf of the North Atlantic right whale season
Biologists believe there are less than 350 North Atlantic right whales left in existence and have been considered an endangered species since 1970.
Biologists believe there are less than 350 North Atlantic right whales left in existence and have been considered an endangered species since 1970.
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.
Hawaii authorities call off search for missing woman in Maui waters
The search in Maui has been called off for a 60-year-old missing woman from Washington after she was snorkeling with her husband.
The search in Maui has been called off for a 60-year-old missing woman from Washington after she was snorkeling with her husband.
Husband reports wife missing after shark encounter while snorkeling in Hawaii
A man called 911 and said he saw a shark while he and his wife were snorkeling about 75 yards from shore in South Maui.
A man called 911 and said he saw a shark while he and his wife were snorkeling about 75 yards from shore in South Maui.
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.