23 January 2015, 07:25 PM ET
Marine ecologist Paul Sikkel explains why corals are important and how marine life thrives in protected areas.
23 January 2015, 02:03 PM ET
At least two species of cone snail have turned insulin into an underwater weapon, a new study finds. When these stealthy aquatic snails approach their prey, they release insulin, a hormone that can cause blood sugar levels to plummet.
23 January 2015, 01:58 PM ET
Fish-hunting Conus geographus and Conus tulipa are caught on camera attempting to capture prey by lowering the victim’s blood sugar, retarding their ability to flee.
23 January 2015, 10:17 AM ET
The Whillans Ice Stream Subglacial Access Research Drilling (WISSARD) project drilled through the Ross Ice Shelf and found fish living 2400 feet beneath.
22 January 2015, 04:50 PM ET
Researchers were startled to find fish, crustaceans and jellyfish hidden beneath the Ross Ice Shelf, in one of the world's most extreme ecosystems.
22 January 2015, 04:47 PM ET
Photos of fish, amphipods and other creatures living under Antarctica's Ross Ice Shelf.
22 January 2015, 12:34 PM ET
A bizarre, freaky-looking shark with rows of needle-sharp teeth and a body like an eel's was caught by a fisherman in Australia. The odd creature is a rare type of shark known as a frilled shark, and is sometimes called a fish "fossil" because it dates ba
21 January 2015, 02:30 PM ET
The fossil of a prehistoric 9-foot-long (2.7 meters) carnivorous reptile that had sharp, serrated teeth is helping researchers fill out the early branches of the reptile family tree, according to a new study.
21 January 2015, 06:57 AM ET
At the Piedras Blancas Beach in north-central California, a northern elephant seal rookery has become an important sanctuary for this once-endangered species. Check out these incredible photos of northern elephant seals in the wild.
17 January 2015, 10:33 AM ET
The fossilized remains of a small aquatic reptile surrounded by six babies suggest that the extinct animal was caring for the little ones when they died, a new study finds.
15 January 2015, 02:00 PM ET
Every year, flocks of geese migrate hundreds of miles over the Himalayas, from their breeding grounds in Mongolia to Southeastern Tibet or India for the winter. Now, a new study reveals how these maverick aviators fly so far in the thin mountain air.
15 January 2015, 12:00 PM ET
Female sea turtles, known to swim thousands of miles before returning to their birthplace to lay eggs, find their way home by relying on unique magnetic signatures along the coast, a new study finds.
14 January 2015, 06:58 AM ET
A chance discovery in a backyard reveals a new species of scorpion, one of the oldest, which could have walked out of its watery habitat onto land.
14 January 2015, 06:57 AM ET
Scientists have long struggled to explain why zebras have dark stripes. Now, a new study suggests that the stripes help these grazers stay cool in the midday equatorial heat.
14 January 2015, 06:55 AM ET
Plains zebra in southern regions of Africa tend to have thinner, less defined stripes than plains zebra in the northern regions of their range. Thicker stripes may help zebra cool their bodies, a new study suggests.
13 January 2015, 08:45 AM ET
When it comes to determining the size of giant squid and other giant sea animals, human beings have a tendency to exaggerate, a new study suggests.
13 January 2015, 07:05 AM ET
A researcher has found that historical estimates of some of the largest ocean creatures are not correct.
13 January 2015, 03:47 AM ET
Successfully combating the disease has been difficult, but a group has been exploring some new techniques that control the fungus using naturally occurring soil microbes.
12 January 2015, 04:30 PM ET
Dogs may have arrived in the Americas only about 10,000 years ago, thousands of years after humans first did, researchers say.
12 January 2015, 11:23 AM ET
The remains of a 415-million-year-old fish skull from Siberia — though miniscule in size — offer hints about the origins of all jawed vertebrates, ranging from reptiles to humans, a new study finds.
12 January 2015, 11:21 AM ET
When researchers first looked at a tiny fish skull from 415 million years ago, they classified it as a bony fish. But a new, high-tech look at the fossil shows that it's much more.
12 January 2015, 11:20 AM ET
The 415-million-year-old Janusiscus fossil was discovered in Siberia. A study of the skull reveals that it is on the botton of the gnathostomes’ (jawed vertebrates) evolutionary tree.
12 January 2015, 06:52 AM ET
A prehistoric marine-reptile fossil found in Scotland's Isle of Skye represents a new species that lived about 170 million years ago, a new study finds.
11 January 2015, 05:44 PM ET
Dogs may be very well suited to help us understand how these lifestyle factors help our brains as we get older.
10 January 2015, 10:41 AM ET
Think you know a lot about frogs? Here are a few frog facts that may surprise you.
09 January 2015, 02:22 PM ET
Researchers have determined the baby orca born into a pod off the west coast is a female.
08 January 2015, 12:31 PM ET
Humans have it. So do chimpanzees, bottlenose dolphins, Asian elephants and even magpies. The ability to recognize oneself in the mirror is known as self-recognition, and monkeys weren't thought to be able to do it — until now.
08 January 2015, 12:29 PM ET
Experiments with rhesus monkeys show they can learn to recognize themselves in the mirror.
08 January 2015, 10:58 AM ET
In what is being credited as the "largest single collection of lemur remains ever found", anthropologists and paleontologists are scouring caves in Madagascar for fossils that could be a thousand-years old.
08 January 2015, 08:14 AM ET
An unusual butterfly that is half male and half female recently caught the eyes of a volunteer at a butterfly exhibit at Drexel University in Philadelphia. Chris Johnson, a retired chemical engineer from Swarthmore, Pennsylvania, was volunteering at the
08 January 2015, 08:12 AM ET
The penises of lizards evolve six times faster than their other traits, according to the first-ever direct measurement of penis evolution in an animal.
07 January 2015, 10:33 PM ET
Numerous fossils make this one of the most-studied dinosaurs.