29 December 2015, 07:36 AM ET
The ocean can be a deep and dark place, but the so-called "ninja" shark can light up its surroundings with a dimly glowing head, a new report says.
28 December 2015, 09:05 AM ET
More than 300,000 sea turtles were likely in the the Gulf of Mexico area affected by the Deepwater Horizon oil spill. The turtles' far-flung journeys suggest the spill's impact reaches far and wide.
26 December 2015, 11:50 AM ET
Baby porcupines look deceptively cuddly.
24 December 2015, 08:23 AM ET
In the months preceding Christmas, Santa's sleigh-pulling ungulates are engaged in a very different activity — mating. Reindeer sex involves herding, defending harems and ignoring lovers.
23 December 2015, 04:35 PM ET
Every year, scientists wade into jungles, deserts and museum collections to examine animals and, if they're lucky, discover a new species.
23 December 2015, 01:16 PM ET
A long, strange journey for the skull of a predatory dinosaur that lived 70 million years ago in Asia comes full circle, as the stolen fossil finally returns to Mongolia.
23 December 2015, 12:48 PM ET
This year, when your family gathers around the tree on Christmas morning, be glad you aren't a cricket. The best gifts they ever get are gelatinous balls of protein. Here are five of the strangest, and most horrifying, presents exchanged by animals.
23 December 2015, 09:21 AM ET
Tiny, cocooned parasitic wasp larvae hop their way to safety, jumping to get away from predators and to find cooler, shady areas, a new study finds.
23 December 2015, 06:32 AM ET
Giving up on traditional breeding efforts, scientists turn to still-developing reproductive technology to save a vanishing subspecies of rhinoceros.
23 December 2015, 06:12 AM ET
Fido may have empathy for his pals, according to research in a dog park that revealed pups rapidly mimic the playful behaviors of their friends more than they copy strangers.
22 December 2015, 03:36 PM ET
Two species of venomous sea snakes that were thought to be extinct have been discovered slithering off the coast of western Australia.
22 December 2015, 03:07 PM ET
Music has charms to soothe a savage breast. And, it seems, flowers can calm an aggressive honeybee.
22 December 2015, 02:11 PM ET
A pod of perhaps a dozen orcas was sighted in Hero Inlet near the National Science Foundation’s Palmer Station, Antarctica. A behavior called “spy-hopping,” is seen in the video, where the orca treads water with its head to observe its prey.
22 December 2015, 02:03 PM ET
Pairs of bees waste no time helping each other sting a 'moving dummy.' After one attacks and releases the pheromone, the second is quick to follow.
22 December 2015, 01:29 PM ET
Dogs are more likely to rapidly mimic playful behaviors of their canine pals than “stranger” dogs.
22 December 2015, 12:03 PM ET
A 3-mm B. anurus wasp lays its eggs in weevil larvae. After the parasitized weevil spins its cocoon, the baby wasp hatches and consumes the weevil larvae.
22 December 2015, 11:40 AM ET
Two venomous sea snakes have washed up on Southern California beaches in 2015.
22 December 2015, 08:05 AM ET
Freshwater hydra don't lose fertility or become any more likely to die as they age. In perfect conditions, they may live forever.
21 December 2015, 04:03 PM ET
African lions will be protected by the Endangered Species Act, according to an announcement made Dec. 21, 2015, by the U.S. Fish and Wildlife Service.
21 December 2015, 01:59 PM ET
A tiny, shrimplike creature that lived 508 million years ago has been discovered carrying about two-dozen fossilized eggs with preserved embryos in its body, making it the earliest example of brood care with preserved embryos on record, a new study finds.
21 December 2015, 10:38 AM ET
If you've ever wanted to go birding, the Christmas Bird Count is the perfect time to get a look at some rare and local birds.
20 December 2015, 10:13 AM ET
Manatee sex involves rendezvous points, large mating herds and aggressive shoving.
18 December 2015, 01:06 PM ET
When pandas get to pick a partner they want to mate with, they're more likely to make panda babies.
18 December 2015, 12:44 PM ET
In this video, Giant Pandas interact with each other through a barrier prior to "breeding introductions." The study at the Bifengxia Chinese Conservation and Research Center in Sichuan, China studied mating behaviors by introducing individuals...
18 December 2015, 11:06 AM ET
The ancient, four-flippered plesiosaur didn't swim like a fish, whale or even an otter — but instead like a penguin, a new study finds.
18 December 2015, 11:04 AM ET
Thousands of swimming motions were simulated to try to resolve the almost 200-year-old question. It was concluded that the front limbs provided a bulk of the propulsion.
17 December 2015, 01:54 PM ET
Younger female elephants take up new social positions when an older matriarch dies, forging links with other elephant daughters that mirror mothers' connections.
17 December 2015, 07:45 AM ET
Scientists recently discovered that a species of Australian blue-banded bee is a successful pollinator because it uses its head — literally.
16 December 2015, 03:44 PM ET
Wearing video cameras, the world's smallest penguins have revealed their hunting secrets: The little blue birds swim together to stalk groups of prey, but when it comes to catching and killing their meals, it's every penguin for itself.
16 December 2015, 03:00 PM ET
The bizarre rigid "sail" on the back of a newfound species of herbivorous dinosaur may have helped the paleo-beast survive in a variety of climates, a new study finds.
16 December 2015, 12:33 PM ET
Researchers fastened a camera to a little penguin in order to study its foraging behavior. The study found that the penguins tend work together to capture 'schooling prey' and are likely to work alone for 'solitary prey'.
16 December 2015, 11:25 AM ET
Some devoted "Star Wars" fans who also happen to be scientists share their appreciation for the iconic movie series by giving its characters' names to newly discovered species.