28 November 2014, 06:29 PM ET
Despite living as long as 45 years, porbeagle sharks are at risk of being hunted to extinction.
27 November 2014, 06:07 AM ET
More than 8,000 shark teeth that date back millions of years have been found on Banks Island, in the Canadian Arctic.
26 November 2014, 11:44 PM ET
They're the largest cat species that regularly climbs trees.
26 November 2014, 01:13 PM ET
We know that a wishbone grants wishes, but what does it do for the turkey? From the wishbone to the wings, there is more to the physiology of Thanksgiving's central bird than how it tastes.
26 November 2014, 12:00 PM ET
Dogs process the emotional and semantic context of words in separate parts of the brain, just like humans, suggesting they understand both words and the emotion behind them.
26 November 2014, 07:10 AM ET
A young hammerhead's 10.5-month journey through the Gulf of California reveals that the endangered shark often swam outside of protected areas, according to a new research that suggests key areas where protection could help the species survive.
26 November 2014, 07:07 AM ET
Using a small electronic tracker, researchers were able to reconstruct the migratory path of a young female scalloped hammerhead shark living in the Gulf of California, Mexico.
26 November 2014, 07:04 AM ET
For the first time, the movements of a wild hammerhead shark were tracked for a period of 10.5 months.
25 November 2014, 11:00 AM ET
Vultures' faces and large intestines are covered with bacteria that is toxic to most other creatures, but these birds of prey have evolved a strong gut that helps them not get sick from feasting on rotting flesh, according to a new study.
25 November 2014, 10:46 AM ET
New research reveals that dogs process the emotional and
contextual content of commands in a different brain region from the one processing words.
24 November 2014, 11:28 PM ET
A decade ago, we set out to unravel deep ocean crime scenes we weren’t even sure existed. The crime? Endangered Steller sea lions were rapidly disappearing in parts of Alaska.
24 November 2014, 08:36 PM ET
Their fur may be white, but their skin is black.
24 November 2014, 05:07 PM ET
An underwater robot exploring the deep seas captured the first video footage ever of a creepy-looking anglerfish — a creature that looks so menacing it is sometimes called the "black seadevil."
24 November 2014, 05:03 PM ET
An underwater sub captured rare video footage of a deep-sea anglerfish in the waters of Monterey Bay, California.
24 November 2014, 07:26 AM ET
A DNA test has confirmed that a lone gray wolf is roaming Arizona, just north of the Grand Canyon, far from its home in the Rockies.
23 November 2014, 11:35 AM ET
From their ability to fly to their strange use of stones to break down food, here are six fun facts about turkeys.
21 November 2014, 10:50 PM ET
The cottonmouth snake, also know as water moccasin, is North America's only poisonous water snake.
21 November 2014, 09:22 PM ET
They use those tusks to haul out on the ice!
21 November 2014, 04:09 PM ET
When a raccoon was discovered residing in an attic, Wildlife Services were called in. They installed a heavy gauge screening over a damaged attic vent (raccoon's entrance point) and a one-way exit door for the raccoon to exit from.
21 November 2014, 07:06 AM ET
Like Spider-Man scaling skyscrapers, people may someday climb glass walls with the help of a gecko-inspired invention.
21 November 2014, 01:28 AM ET
To find the base of the Arctic food chain, scientists have to venture far out, and into, sea ice.
21 November 2014, 01:00 AM ET
A warming planet is impacting sea-ice algae, triggering a food-chain domino effect that leads to whales and polar bears.
20 November 2014, 09:50 PM ET
Orcas, or killer whales, are the largest of the dolphin family.
20 November 2014, 05:08 PM ET
19 November 2014, 09:45 PM ET
Stink bug. As names go it is a PR disaster, each of the words alone hardly endearing, and wholly off-putting together. Which is a shame because stink bugs have a perky charm, a distinctive style and, for an insect, a surprising concern for their offspring
19 November 2014, 08:26 PM ET
The Brazilian wandering spider is one of the most venomous spiders on Earth.
19 November 2014, 07:16 AM ET
A rare skeleton of a nearly 10-foot-tall (3 meters), 150-million-year-old Stegosaurus will be unveiled at the Natural History Museum in London next month.
19 November 2014, 07:10 AM ET
For the first time nearly 100 years, the almost-complete skeleton of a dinosaur will go on display at the Natural History Museum, in London. The dinosaur, a stegosaurus (Stegosaurus stenops), will be open to the public Dec. 4.
18 November 2014, 11:46 PM ET
Protected areas across the planet are failing, but it is not too late to reverse that trend.
18 November 2014, 05:54 PM ET
All the latest research points to the fact that the deadly DFTD is a transmissible cancer that originated in a female Tasmanian devil. A single cell in this devil (patient zero) developed into a cancer cell.
18 November 2014, 12:30 PM ET
A mysterious species of glow worm discovered in the Peruvian rainforest may lure prey in with their light.
18 November 2014, 12:30 PM ET
A mysterious species of glow worm has been discovered in the Peruvian rainforest.