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.
15 September 2015, 03:16 PM ET
Before the dinosaur age, the coelacanth — a hefty, mysterious fish that now breathes with its gills — sported a well-developed lung, a new study finds.
15 September 2015, 03:08 PM ET
Like its modern-day descendants, an ancient big fish known as a coelacanth had gills, but it also sported a well-developed lung, a new study finds.
15 September 2015, 06:53 AM ET
Caterpillars that munch on corn leaves have developed a clever way to get the most nutrients from their meals: They use their poop to trick the plants into lowering their defenses.
11 September 2015, 02:56 PM ET
Bad news for apiphobes: Killer bees are on the move in the United States, but that may be helpful to the besieged European bee.
11 September 2015, 02:06 PM ET
Snakebites in Costa Rica spike during El Niño and La Niña as venomous snakes respond to changes in the weather and climate.
11 September 2015, 10:24 AM ET
Scientists have pieced together how ankylosaurs' weaponized tail clubs evolved, finding that the hammer's "handle" came first.
10 September 2015, 04:38 PM ET
Do you love surprises? What about surprises involving venomous spiders?
09 September 2015, 06:49 PM ET
A dusty, windy desert in extreme northwestern Peru was once a grassland, replete with hundreds of songbirds. But this grassland was also a trap. Tar seeps bubbling up from the oil-rich ground snared the likes of saber-toothed cats and songbirds.
09 September 2015, 06:56 AM ET
A new autopsy reveals that overeating choked and killed an unfortunate raptor from ancient Egypt. Scientists suspect that Egyptians force-fed the bird so they could offer it to the sun god Ra as a votive mummy.
08 September 2015, 10:24 AM ET
Pregnant male seahorses tend to develop embryos similarly to the way mammals do, new research shows.
08 September 2015, 05:49 AM ET
During the little panda's short life, it rode atop a lacrosse stick, snuggled with its mother and fed from a bottle, the last of which may have led to its demise.
05 September 2015, 12:52 AM ET
The Russian Far East hosts some of the world's most exotic creatures, many represented by just a few hundred remaining animals that exist nowhere else.
04 September 2015, 05:02 PM ET
A one-of-a-kind spider from Down Under looks more like a Transylvania transplant than an Aussie, thanks to its red fangs.
04 September 2015, 04:27 PM ET
Cats do not form the childlike, dependent bonds on caregivers that dogs do, suggesting that the felines really are more independent than their canine counterparts.
04 September 2015, 04:12 PM ET
Think sharks only live in the ocean? Think again.
04 September 2015, 03:48 PM ET
A female funnel-web spider with bizarre blood-red coloring on her fangs rears up in a ready-to-strike position.
04 September 2015, 02:52 PM ET
Mark Wong was surprised when he turned over a rock in Tallaganda State Forest, in New South Wales, not because there was a scary-looking spider looking back at him. Rather, it was because the funnel-web spider had red fangs, never seen in this species.
04 September 2015, 02:24 PM ET
Hawk nests create a "cone of safety" from predatory jays, protecting vulnerable hummingbird nests.
04 September 2015, 02:21 PM ET
Hummingbirds have a clever strategy to keep their nests safe: They recruit unknowing hawks for home security. Check out these spectacular photos of hummingbirds, hawks and jays.