Dinosaur fossils unearthed in Chile may give insight into deadly asteroid strike
The new fossils are from birds and killer dinosaurs, such as the megaraptor, and provide clues about their life before — and after — the fatal asteroid strike.
Watch: Drone video captures the world’s largest hatching of baby turtles
Between mid-December and early January, millions of baby river turtles emerged from the sandy beaches of the Amazon’s Guaporé/Inténez River.
You can name a cockroach after your ex and watch it be fed to an animal at Texas zoo
The San Antonio Zoo’s popular Valentine’s Day fundraiser is back for its fourth year, turning heartache into a positive for wildlife.
Polar bear emerged unseen from Alaska snowstorm to kill woman, baby
As the attack unfolded outside a school, the principal ordered a lockdown and closed the blinds so the children couldn’t see what was happening outside the entrance.
‘The Last of Us’ zombie fungal parasite is real and causes ants to commit suicide
If you thought fictional zombies walking around on film were scary, the condition that turns creatures into mindless eating machines actually exists in nature.
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.
National Park Service: Please refrain from licking this psychedelic toad
The Sonoran Desert toad, also known as the Colorado River toad, secretes toxins that can make people sick and even kill a full-grown dog, officials say.
'Groundbreaking' record number of endangered tadpoles sent to Puerto Rico
The San Antonio Zoo's Herpetology team sent over 18,000 Puerto Rican-crested toad tadpoles in late October to be released into the wild, more than triple the previous record.
Sheriff: Hunter accidentally shoots himself during grizzly bear attack
This is the second bear attack in Wyoming in a week.
Watch what a polar bear has to do to move across ice sheets in the Arctic
Video shows the polar bear, the largest carnivore species on the planet, acting as playfully as man’s best friend.
How to stop squirrels, other critters from eating your pumpkins
From cayenne pepper to owl decoys, here are some suggestions from experts on how to safely keep the squirrels at bay this Halloween.
Bear mauls 10-year-old boy in grandparents’ backyard in Connecticut
“I heard him yell ‘bear’ and when I looked up, I saw his leg in the bear’s mouth and the bear trying to drag him across the lawn,” the boy’s grandfather told a local news outlet.
See the invasive Australian crawfish discovered in Texas
Texas wildlife officials said they don't know when the invasive crayfish were first introduced or how far they have spread, but "they can have a negative effect on local species and biodiversity."
Giant sharks once roamed the earth with a mega-appetite, research shows
Based on their digital creation, researchers calculated that the megalodon would have weighed around 70 tons, or as much as 10 elephants.
Alligator attacks, kills 88-year-old woman in South Carolina
The Beaufort County Coroner's Office says it believes the victim slipped into a pond located in the Sun City development and was attacked by the alligator earlier this week.
Killer whales hunt 9-foot great white shark in drone video
One scientist called this "one of the most incredible pieces of natural history ever captured on film."
Watch: Breaching whale jumps out of ocean and lands on top of a Massachusetts fishing boat
The video shows a boat anchored off of Plymouth, Massachusetts when a large whale breaches the water and crashes onto the boat's bow.
Massive 11-foot alligator in Florida lets out vicious roar while being wrangled
This alligator should audition for the next "Jurassic World" movie!
Grizzly bear returns, kills woman after she scared him off an hour earlier
Bear attacks are rare, but a woman camping in Montana scared a bear off only for it to come back to her tent and kill her.
Beloved monarch butterflies are officially on the endangered species list
Monarch butterflies are now listed as endangered because of fast dwindling populations in North America.