Watch: Penguins released back into Argentinian ocean after being nursed back to health
The animals had showed signs of malnutrition and hypothermia. One of them had been oiled, and another one had ingested plastics.
The animals had showed signs of malnutrition and hypothermia. One of them had been oiled, and another one had ingested plastics.
Watch: Mama bear, cubs enjoy back scratches in Maine woods
A mother bear and her three cubs were caught on camera being cute.
A mother bear and her three cubs were caught on camera being cute.
Spider with erection-inducing bite shuts down supermarket, but owners insist store is safe to reopen
Researchers have used the spider's venom in studies to treat erectile dysfunction.
Researchers have used the spider's venom in studies to treat erectile dysfunction.
Hissing snake pulled from Arizona toilet in 'once-in-a-million' flush
A snake expert from Arizona successfully captured a black-and-pink Coachwhip discovered in a residential toilet near Tucson.
A snake expert from Arizona successfully captured a black-and-pink Coachwhip discovered in a residential toilet near Tucson.
Nevada wild horse roundup to continue despite deaths of 31 wild horses
The government appears to be doing everything it can to gather the mustangs as humanely as possible, a judge ruled.
The government appears to be doing everything it can to gather the mustangs as humanely as possible, a judge ruled.
'Got all that?': Grandmother horse gives birth, paternity mystery baffles park rangers
Park rangers said the herd's family tree just got complicated.
Park rangers said the herd's family tree just got complicated.
Watch: Terrified raccoon wreaks havoc in Utah soccer stadium during rain delay
Video shows captivated fans scream as the raccoon falls from an overhang onto the main concourse. Chaos ensues.
Video shows captivated fans scream as the raccoon falls from an overhang onto the main concourse. Chaos ensues.
California bear, cubs relocated from South Lake Tahoe after string of break-ins
The mama bear was one of multiple bears believed by the public to be 'Hank the Tank.'
The mama bear was one of multiple bears believed by the public to be 'Hank the Tank.'
200-pound rescued walrus calf receives round-the-clock 'cuddling'
A 200-pound walrus calf found alone and miles from the ocean on Alaska’s North Slope is getting bottle fed and receiving round-the-clock “cuddling" from animal welfare workers who are trying to keep the 1-month-old alive.
A 200-pound walrus calf found alone and miles from the ocean on Alaska’s North Slope is getting bottle fed and receiving round-the-clock “cuddling" from animal welfare workers who are trying to keep the 1-month-old alive.
Otter attacks women tubing on Montana river; one airlifted to hospital
One woman's wounds were so severe that she had to be airlifted to a hospital, authorities said.
One woman's wounds were so severe that she had to be airlifted to a hospital, authorities said.
Watch: Eagle swoops down and catches fish midair, wowing onlookers
A bald eagle put on an impressive show for a man and his friends when it swooped down and caught a fish high in the air.
A bald eagle put on an impressive show for a man and his friends when it swooped down and caught a fish high in the air.
'King Otis' fans rejoice: Famed brown bear returns to Alaska live cam
"King Otis" is a live cam star and four-time Fat Bear Week champion.
"King Otis" is a live cam star and four-time Fat Bear Week champion.
Alpha-gal syndrome: Tick-borne disease that triggers meat allergies is on the rise, CDC says
The tick-borne disease has not caused any deaths, health officials say, but people with alpha-gal syndrome have described it as bewildering and terrifying.
The tick-borne disease has not caused any deaths, health officials say, but people with alpha-gal syndrome have described it as bewildering and terrifying.
Beached whales euthanized in Australia after frantic rescue efforts fail
Officials said the whales were euthanized "to avoid prolonging their suffering."
Officials said the whales were euthanized "to avoid prolonging their suffering."
Family captures ‘stunning’ video of synchronized whale breach off Cape Cod
“Just an amazing moment that I imagine I’ll never see again but will remember for a lifetime," Robert Addie told FOX Television Stations.
“Just an amazing moment that I imagine I’ll never see again but will remember for a lifetime," Robert Addie told FOX Television Stations.
Watch: Volunteers try desperately to save nearly 100 beached whales in Australia
Drone footage showed the whales clustering and forming into a heart shape before stranding themselves on the beach.
Drone footage showed the whales clustering and forming into a heart shape before stranding themselves on the beach.
Traps removed near Yellowstone after no sign of grizzly bear that killed woman
Wildlife workers on Tuesday halted their efforts to capture a grizzly bear that killed a woman over the weekend near Yellowstone National Park after finding no sign of the animal since the day of the attack.
Wildlife workers on Tuesday halted their efforts to capture a grizzly bear that killed a woman over the weekend near Yellowstone National Park after finding no sign of the animal since the day of the attack.
Tiny deer standing 6 inches tall born at England zoo
Zoo officials also said the male fawn weighed less than a bag of sugar.
Zoo officials also said the male fawn weighed less than a bag of sugar.
Killer whale mothers protect their sons more than their daughters, new study finds
Once a mother whale stops breeding, she's more likely to help her male offspring than the females.
Once a mother whale stops breeding, she's more likely to help her male offspring than the females.
Woman dies after grizzly bear encounter near Yellowstone National Park
A woman was found dead in Montana on Saturday after coming into contact with a grizzly bear on a trail west of Yellowstone National Park.
A woman was found dead in Montana on Saturday after coming into contact with a grizzly bear on a trail west of Yellowstone National Park.