07 January 2015, 10:33 PM ET
Numerous fossils make this one of the most-studied dinosaurs.
07 January 2015, 02:23 PM ET
The intricacies of tiny marine microbes are revealed in a new photographic art exhibit in Boston.
07 January 2015, 12:32 PM ET
Researchers have discovered a group of female phorid flies that bite off ant heads and then haul them away for dinner.
07 January 2015, 08:51 AM ET
Fossils of a newfound flying fish species may help scientists understand just how the ability to glide evolved.
07 January 2015, 07:03 AM ET
An albino bottlenose dolphin, recently spotted off the east coast of Florida, was caught on video flashing its white dorsal fin above the water's blue waves.
06 January 2015, 09:42 PM ET
For many years, this dinosaur was mistakenly called Brontosaurus.
06 January 2015, 04:10 PM ET
As snow piled up in Washington, D.C., the National Zoo's beloved panda cub Bao Bao enjoyed her first snow day.
06 January 2015, 01:54 PM ET
Tiny female flies (genus: Dohrniphora) in Costa Rica kill injured Odontomachus ants (trap-jaw ants), using their "blade-tipped" mouthparts to cut connections between head and body, then use their front legs to pull the ants’ heads free.
06 January 2015, 11:07 AM ET
Black widow spiders have rapidly evolved super lethal venom, such that the spiders are now building stronger webs to handle ever-bigger prey.
06 January 2015, 06:52 AM ET
Anglerfish mating involves biting, tissue fusion and the complete lack of mate choice by females.
05 January 2015, 04:43 PM ET
A baby killer whale was born into the endangered J-pod that lives off the coast of Washington state.
05 January 2015, 02:49 PM ET
Researchers have charted the bowhead whale's genome in a search for genes that fight off aging.
04 January 2015, 09:42 AM ET
Many predators lurk in the tropical waters of the Indo-Pacific Ocean, but the so-called disco clam has a flashy defense mechanism — a spectacular light show — to scare away potential threats.
04 January 2015, 09:39 AM ET
The clam initially fought off the mantis with its tentacles, which were found to contain high levels of sulphur. The mantis can be seen backing away and entering a "catatonic state" after interacting with the tentacles. The relentless mantis attacked
02 January 2015, 05:25 PM ET
The monarch butterfly, once common across the United States, could soon end up on the Endangered Species List.
31 December 2014, 02:00 PM ET
Ancient coyotes hunted large prey, and had larger jaws and sharper teeth to bring down their choice meals than modern-day coyotes do, a new study reports.
31 December 2014, 01:16 PM ET
A newly described species of frog is the only frog known to give birth to live tadpoles, researchers say.
31 December 2014, 09:11 AM ET
The Eva and spider 3D scanners helped celebrated paleontologist Louise Leakey digitally record the details of 1.8-million-year-old fossils found by her family and their colleagues in the 1970s and 1980s in Kenya.
31 December 2014, 09:10 AM ET
The cracked and broken bones of a 1.8-million-year-old crocodile, elephant and giant tortoise are now recorded in meticulous detail, thanks to cutting-edge 3D scanners.
30 December 2014, 12:40 PM ET
A coyote hunter in Utah mistakenly shot and killed an endangered gray wolf, which wildlife groups worry was the same wolf photographed near the Grand Canyon this fall.
29 December 2014, 01:27 PM ET
The new "Jurassic World" movie trailer features growling, grunting and shrieking dinosaurs. These bellows may make for good entertainment at theaters, but do paleontologists actually know how dinosaurs sounded?
24 December 2014, 11:46 PM ET
Wolf spiders are large hunting spiders that exhibit unique parenting habits.
24 December 2014, 11:33 PM ET
The term "daddy longlegs" can refer to three different types of bugs, and only one of them is a spider.
23 December 2014, 11:50 PM ET
Brachiosaurus stood taller than most dinosaurs.
23 December 2014, 11:28 PM ET
There are more than 800 species of these hairy, nocturnal archnids.
23 December 2014, 11:01 AM ET
Fossilized rod and cone cells — the kinds that help people see — have been discovered for the first time, researchers say.
22 December 2014, 09:41 PM ET
Garden spiders are the creators of the delicate, circular, spoked webs that are the classic image of a spider web.
22 December 2014, 08:50 PM ET
The black mamba is one of the fastest and deadliest snakes in the world. Two drops of its venom can kill a person.
22 December 2014, 04:38 PM ET
Weddell seals have an amazing ability to dive deep and swim far for food, but how do they find their way back?
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?