22 December 2014, 03:27 PM ET
Scientists have long wanted to know whether modern hands are related to the fins of fish, and now a new study finally reveals these structures are, indeed, related.
21 December 2014, 12:40 PM ET
'Tis the season to be jolly, and what could be more jolly than amusing animal stories? Here are some of our favorite holiday critters.
21 December 2014, 02:42 AM ET
Are seals using the Earth's magnetism to orient themselves under the ice?
20 December 2014, 05:56 PM ET
Long before satellites and weather models, people looked to nature for clues to predict the upcoming harshness of the coldest, darkest days of the year.
19 December 2014, 07:13 PM ET
19 December 2014, 05:03 PM ET
From humanoid robots to machine guns, here are five da Vinci inventions that were truly before their time.
18 December 2014, 05:14 PM ET
Animal-rights advocates seeking "personhood" for chimpanzees want to take their case to the highest court in New York State.
18 December 2014, 02:41 PM ET
The large carnivores of Europe — such as bears, wolves, lynx and wolverines — are experiencing a resurgence, even in nonprotected areas.
18 December 2014, 02:31 PM ET
Fool's gold helps preserve the bodies of some of the world's oldest animals. Sulfur-eating bacteria in the ocean helped the process of fossilization along.
18 December 2014, 01:02 PM ET
This Christmas, instead of wishing for reindeer on the roof, consider wishing for wild reindeer to get some much needed help.
17 December 2014, 09:28 AM ET
Life didn't immediately rebound after the world's greatest extinction, but cropped up in fits and starts.
17 December 2014, 08:46 AM ET
Even the editors of serious scientific journals are not immune to the charms of sleepy koalas and penguins playing with robots. The video team at Nature picked their top 10 favorite science stories involving cute animals (and some bots) of this year.
17 December 2014, 07:09 AM ET
Worldwide reindeer populations are dropping, and researchers say new herding and preservation methods are needed.
16 December 2014, 09:29 PM ET
Camel spiders are not spiders, and they don't eat camels — or people. These arachnids became infamous after the Gulf War.
16 December 2014, 12:46 AM ET
Coral snakes are small, vibrantly colored, highly poisonous snakes found in Asia and in the Americas. When threatened, they make a popping sound with their cloacas — essentially a fart.
13 December 2014, 05:23 PM ET
Higher chances of predation are putting native fauna at risk.
12 December 2014, 04:43 PM ET
With a bump from J.K. Rowling, "Luna" was picked as the name for an orphaned sea otter pup being raised at Chicago's Shedd Aquarium.
12 December 2014, 04:14 PM ET
Stony Brook University scientists have found the skull of a new "large-eyed agile herbivore" species, which may have lived among the later dinosaurs.
12 December 2014, 04:13 PM ET
Cataloguing chimps, berries and other life in Africa, researchers race to protect biodiversity on a warming planet.
12 December 2014, 03:57 PM ET
Researchers working in the Gulf of Mexico are using masses of jellyfish to help identify where the oceanic environment has changed. University of Southern Mississippi's Dr. Monty Graham explains why and how conditions in the water are shifting.
12 December 2014, 03:32 PM ET
Evolutionary biologists have made great strides in understanding bird genetics and discoveries haves helped narrow down their ages and relationships.
12 December 2014, 03:13 PM ET
Birds — like anteaters, baleen whales and turtles — don't have teeth. But this wasn't always the case. The common ancestor of all living birds sported a set of pearly whites 116 million years ago, a new study finds.
12 December 2014, 06:12 AM ET
A sex-changing California fish is growing bigger and gobbling up more sea urchins after a decade of protection, a new study finds.
12 December 2014, 12:47 AM ET
Rattlesnakes are found throughout North and South America. Their distinctive rattle warns intruders to stay away!
11 December 2014, 10:24 PM ET
Funnel-web spiders build funnels out of their webs. Some of these spiders are among the most venomous in the world.
11 December 2014, 02:00 PM ET
A new family tree of the world's bird species may be the most complete one ever made, and reveals some surprising relationships, as well as showing how characteristics such as birdsong evolved.
10 December 2014, 11:54 PM ET
Fish have feelings, birds get pessimistic and octopuses love to play.
10 December 2014, 09:16 PM ET
Garter snakes are some of the most widespread snakes in North America. They can be found from Florida to Alaska.
10 December 2014, 02:05 PM ET
A skull of a small, crow-size dinosaur found in Montana, the oldest horned dinosaur ever found in North America, suggests that these dinos migrated from Asia to North America between 113 million and 105 million years ago.
10 December 2014, 02:01 PM ET
A fossilized skull unearthed in Montana is the oldest horned dinosaur on record in North America, a new study finds.
10 December 2014, 01:30 PM ET
Some of humanity's greatest technologies were inspired by animals. Now, scientists, inspired by the movement-sensing organ of a spider, have developed a wearable sensor that can detect music, recognize speech and monitor a person's heart rate.
10 December 2014, 11:16 AM ET
The deep ocean is home to some truly unusual creatures.