This worm woke up after being frozen for 46,000 years
Study reveals which zoo animals enjoy seeing human visitors, and which don't
Post-menopausal female orcas protect their sons, research suggests
Zookeepers surprised when gorilla thought to be male gives birth
Louisiana fisherman spots rare pink dolphins in river
A giant panda just gave birth to adorable twin cubs
Gray whales come to tour boat's captain for help with parasites
5 ways to attract dragonflies to your yard to help eliminate mosquitoes
This angler set a new record by catching a 12-pound largemouth bass
Blood-sucking sea lampreys on the rise in Great Lakes again
Baby flamingo captivates with adorable video at Ohio zoo
Leatherback sea turtle nest discovered on Outer Banks island is first since 2012
Watch the sweet moment this chimpanzee sees the sky for the first time
Dolphins use 'baby talk' with their calves, just like humans
Watch a sea otter surprise surfers by climbing aboard
'Mutual of Omaha's Wild Kingdom' returning after 35 years
Bear walks out of the ocean in Florida, shocking beachgoers
Pittsburgh zoo welcomes a young pygmy hippo named Hadari
Wolverine spotted in California is only the second in a century
Watch a raccoon get a doughnut from a Dunkin' drive-thru
Bear caught on video nabbing cupcakes from bakery
The National Zoo welcomed a new baby gorilla and the photos are precious
Orangutan at the Louisville Zoo gestures to meet babies
A rare white bison was born at a Wyoming state park
You can sleep over with the penguins at this aquarium
Police ran to help a man screaming ‘help,' and surprise: it was a goat
North Carolina Zoo welcomes 2 litters of endangered red wolf pups
Endangered Sumatran orangutan welcomes baby at Sacramento Zoo
This zoo is hiring people to dress as an eagle to scare off seagulls
Zoo's twin polar bears reunited after being separated at birth
Bald eagle who protected rock is now foster father to orphaned chick
Wildlife park welcomes endangered giant otter triplets
How to make a DIY bee bath for your garden—and why you should
Scientists capture the 'world's deepest fish' on camera
Zookeeper teaches orangutan to breastfeed by example
Gray whale that lost its tail developed a unique way to swim
'Cocaine Bear' officiates Kentucky wedding
Rebellious bear that escaped enclosure twice is getting a new home
Zoo's 90-year-old tortoise welcomes three hatchlings into the world
Baby kangaroo rescued in crocodile-infested flood waters in Australia
Rare insect found outside a Walmart dates back to the Jurassic
Rare songbird spotted after no one had seen it for 24 years