04 October 2015, 08:58 AM ET
Sea hare sex involves hermaphrodites, mating chains and lengthy mating events.
02 October 2015, 11:04 AM ET
Chameleons may be known for their impressive color-changing abilities, but these curious creatures are also expert tree climbers Now researchers know why: the chameleons have twice as many wrist and ankle bones as was previously thought.
02 October 2015, 07:21 AM ET
Feral cats adjust their ranges depending on the greenery of their environment, which reflects the resources available.
01 October 2015, 11:44 PM ET
Turtles, tortoises and terrapins are reptiles with protective shells. They live on land, in the ocean and in lakes and rivers. There are more than 300 species.
01 October 2015, 05:12 PM ET
Not all owls look like the generic Halloween cutout.
01 October 2015, 12:05 PM ET
Snakes maintain most of the DNA sequences that mammals use to make legs — even though snakes lack limbs. Turns out the genes are responsible for phallus development in snake embryos.
01 October 2015, 12:02 PM ET
Images of snake embryos reveal how genes that enhance the growth of limbs are used to grow the phallus for these legless reptiles.
30 September 2015, 05:48 AM ET
The king crab could soon take over a whole new kingdom, and it has global warming to thank for the conquest.
30 September 2015, 01:08 AM ET
Rats are thin-tailed, medium-size rodents that are found all over the world.
29 September 2015, 05:04 PM ET
Below the tropical waves near the Solomon Islands, nighttime divers spotted a psychedelic vision: an endangered sea turtle glowing bright red and green.
29 September 2015, 04:02 PM ET
For tens of millions of years the Bathyal King Crabs have steered clear of the freezing Antarctic waters. Today, with waters around the frozen continent warmer than ever previously recorded...
28 September 2015, 03:27 PM ET
A new species of land snail in China is so tiny that 10 could fit through the eye of a needle, researchers report.
25 September 2015, 06:24 PM ET
A giant-panda cub at Smithsonian's National Zoo is no longer nameless: The furry youngster will now be called Bei Bei (BAY-BAY), which means "precious treasure" in Mandarin, according to his naming ceremony, held at the Smithsonian's National Zoo.
25 September 2015, 04:07 PM ET
The baby panda at the Smithsonian's National Zoo just received his name: Bei Bei (BAY-BAY), which means "precious, treasure."
25 September 2015, 02:08 PM ET
Tongue waggles resembling bowel movements could help some bats drink flower nectar, researchers say. The finding resolves a mystery over how groove-tongued bats access the sweet liquid.
25 September 2015, 10:08 AM ET
Using high-speed cameras, researchers have captured the tongue of the Lonchophylla robusta as it slurps up nectar out of a tube. The grooves in its tongue transport the fluid up.
24 September 2015, 11:48 PM ET
Moles are small tunneling mammals that live all over the world.
24 September 2015, 09:47 AM ET
The air was hazy from forest fires, and Mishka, a 1-year-old sea otter at the Seattle Aquarium, could barely breathe.
24 September 2015, 07:25 AM ET
A female water snake in Missouri can do something that no human woman can (no matter how badly she might want to).
24 September 2015, 07:14 AM ET
Dogs bark, sheep bleat and mice squeak, but what sounds do giraffes make?
23 September 2015, 10:04 AM ET
Mantis shrimp have developed a form of ritualized combat that lets individuals compete without bludgeoning each other to death, a new study suggests.
23 September 2015, 09:50 AM ET
In a study of the marine crustaceans, who can strike predators with incredible speed and power, it was found that the battles were won with persistence, not brute force.
22 September 2015, 03:10 PM ET
Researchers have uncovered a newfound species of duck-billed dinosaur in Alaska.
22 September 2015, 03:10 PM ET
Deep in the dark, snowy wilds of Alaska, a herd of young duck-billed dinosaurs rambled across the frozen Earth. But something cut their lives short, and they remained there, crushed, until scientists discovered their remains, 69 million years later.
21 September 2015, 03:58 PM ET
You don't have to leave home to hang out with one of the world's most beloved tusked mammals.
21 September 2015, 03:06 PM ET
Researchers studying vocal communication of Giraffa comelopardalis has revealed the species can deliver a harmonic, "sustained and frequency-modulated 'humming' during the night." These vocalizations could be a method of communication.
18 September 2015, 01:55 PM ET
Genetically modified organisms may usually be thought of as human creations, but scientists now find that monarch butterflies, silkworms, and many other butterflies and moths naturally possess genes from parasitic wasps.
18 September 2015, 12:31 PM ET
The world's oldest sea turtle fossil shows the ancient animal swam the oceans at least 120 million years ago, when dinosaurs still roamed the Earth, according to a recent analysis.
17 September 2015, 12:52 PM ET
Scientists have found that great apes may be able to remember and anticipate memorable on-screen events.
17 September 2015, 12:24 PM ET
A chimpanzee and a bonobo show off their memory skills when they are shown a video twice of aggressive behavior (24 hours apart).
17 September 2015, 09:54 AM ET
The largest meat-eating dinosaur ever discovered in Australia had sickle-shaped claws the size of chef's knives, a daunting feature that likely made up for its fairly delicate jaws and small teeth, a new study finds.
17 September 2015, 07:39 AM ET
A jellyfishlike creature that swims using an array of "jetpacks" could transform the way engineers design underwater exploration vehicles, suggests a recent study. The colonial animal also divides labor based on age.
16 September 2015, 07:20 PM ET
A jellyfish-like creature is made of up tiny nectophores that each spurt out jets of water in order to steer and thrust the creature forward.
16 September 2015, 02:16 PM ET
The laserlike focus on saving the charismatic giant panda has helped many other species in China survive, but more could be done, a new study finds.
16 September 2015, 02:11 PM ET
China is home to some amazing animal species, from golden snub-nose monkeys to the charismatic giant panda.
15 September 2015, 04:12 PM ET
A dramatic photograph of a starving polar bear went viral online, but scientists say it's a stretch to definitively link polar-bear starvation to climate change.