29 July 2014, 07:41 PM ET
Puma, panther, cougar and mountain lion are different names for the same species of big cat that can be found from Canada to the southern tip of South America.
29 July 2014, 12:08 PM ET
They've been described as walking artichokes and the most trafficked mammals in the world. Now, conservationists warn that pangolins, or scaly anteaters, could be eaten out of existence if illegal hunting and poaching continue.
29 July 2014, 10:59 AM ET
Conservationists warn that all eight species of pangolins, or scaly anteaters, may be eaten to extinction if illegal hunting and poaching continues.
28 July 2014, 03:05 PM ET
The previous mass extinction, which wiped out the dinosaurs, happened about 65 million years ago, likely from a catastrophic asteroid that collided with Earth. In contrast, the looming sixth mass extinction is linked to human activity.
28 July 2014, 02:06 PM ET
Ranavirus may be partly to blame for dwindling frog populations.
28 July 2014, 01:55 PM ET
Mammoths and mastodons of present-day southwestern Ohio and northwestern Kentucky, were homebodies that tended to stay in one area, a new study finds.
28 July 2014, 08:11 AM ET
A municipal worker who got stung by an estimated 1,000 bees while mowing a park lawn on Thursday (July 24) was in stable condition. So how did he survive the buzzing attack?
28 July 2014, 12:02 AM ET
The space rock that wiped out most of the dinosaurs may have had a colossal case of bad timing. If the impact had occurred a few million years earlier or later, more of the majestic beasts may have survived, scientists say.
26 July 2014, 04:00 AM ET
When commercial whaling was banned in 1986 it put an end to a harvest that threatened the existence of some of the most majestic animals on Earth.
26 July 2014, 03:49 AM ET
Animals have evolved to occupy almost all corners of the Earth. To survive, no matter the weather outside, they all need temperature-sensitive bodily reactions to work.
26 July 2014, 03:24 AM ET
Feed the birds — but not bread, crackers and junk food.
26 July 2014, 02:47 AM ET
Despite film portrayal, bonobos tend to be peacekeepers, even after experimentation.
25 July 2014, 11:56 AM ET
As a zookeeper, sometimes you get to pick favorites (but don't tell the monkeys).
25 July 2014, 11:31 AM ET
Researchers observed that a certain species of squirrel in New York City adapts its behavior to that of humans by avoiding unnecessary contact with people and going about its day uninterrupted.
24 July 2014, 05:42 PM ET
The birds of the American Southwest are as numerous and diverse as the multiple environments and landscapes upon which they carry on their daily life cycles.
24 July 2014, 03:14 PM ET
Parrots, with colorful plumage and the ability to mimic human speech, are popular pets. This large order of birds includes parakeets, macaws, cockatiels and cockatoos.
24 July 2014, 02:11 PM ET
Steven Spielberg's 'Jurassic Park' might need a little more revising — a newly discovered dinosaur species offers hints that feathers were much more common among the ancient beasts than once thought.
24 July 2014, 02:00 PM ET
A newfound plant-eating dinosaur that was equipped with feathers suggest most dinosaurs may have worn such downy coats.
24 July 2014, 01:41 PM ET
Monkeys living in the forests around the city of Fukushima in Japan show lower blood cell counts than monkeys from northern Japan, and have detectable levels of cesium in their bodies, a new study reports.
24 July 2014, 12:19 AM ET
What scares a zookeeper may not be what you expect.
23 July 2014, 04:35 PM ET
Ibex are very agile and can easily climb mountainous terrain with their strong, cloven hoofs.
23 July 2014, 03:06 PM ET
Parallel Tyrannosaur footprints unearthed in Canada suggest the fearsome predators were pack animals that may have hunted in groups to increase their odds of survival.
23 July 2014, 02:10 PM ET
Man's best friend does not like anything muscling in on that friendship; — the first experimental test of jealousy in dogs shows that canines nip even at stuffed dogs when these fakes are taking away the attention of the animals' owners.
23 July 2014, 02:03 PM ET
The feeding grounds of blue whales along the U.S. West Coast overlap dangerously with shipping lanes, placing the behemoths in danger of collisions with ships. This finding could help prevent human threats to these endangered titans, scientists added.
23 July 2014, 02:00 PM ET
Researchers have tagged more than 100 blue whales off the California Coast, finding the behemoths feed around major shipping lanes.
23 July 2014, 11:53 AM ET
New tyrannosaur trackways unearthed in Canada suggest that the ferocious predators may have been pack animals.
22 July 2014, 05:43 PM ET
Elephants are known for their impressively long trunks, but perhaps less well known is the large number of genes that code for their sense smell. In a study of 13 mammals, African elephants were found to be superior sniffers.
22 July 2014, 05:00 PM ET
African elephants bested rats, a former olfactory record-holder, among selected placental mammals.
22 July 2014, 11:00 AM ET
Generally, polarized light is something you wear sunglasses to avoid, but for bats, the glare is actually useful.
22 July 2014, 03:32 AM ET
Zookeepers have an interesting job — some days you cuddle with endangered species, others you just try not to get bitten.
22 July 2014, 03:07 AM ET
Huge swaths of sea are now protected, thanks to sea turtles.
22 July 2014, 02:32 AM ET
Loggerhead turtles inspire largest-ever U.S. critical habitat zone.