01 November 2013, 11:29 AM ET
A mosasaur, a toothy marine reptile of the Cretaceous period, was discovered with the fossilized remains of three other mosasaur species in its gut. The find reveals what was once a rich ecosystem off the African coast.
01 November 2013, 11:16 AM ET
Consumption of shark fin soup has decline by 50 to 70 percent in China over the last two years, according to an environmental group.
01 November 2013, 10:44 AM ET
A newly discovered species of leaf beetle uses its own feces to modify shelters in leaves.
01 November 2013, 10:42 AM ET
Using lasers, scientists can now surgically blast holes thinner than a human hair in the heads of live fruit flies, allowing researchers to see how the flies' brains work.
01 November 2013, 09:11 AM ET
Though they may look different, penguin mating behaviors are surprisingly similar to other birds. Even so, each of the 18 penguin species has its own little mating quirks, with some doing a look-see of the male's bachelor pad before shacking up.
01 November 2013, 07:59 AM ET
Scientists have successfully used lasers to make holes thinner than the width of a human hair in the heads of fruit flies, which lets them see and study what's happening in the flies' brains as the insects smelled different scents.
31 October 2013, 03:00 PM ET
Humpback whales feed on fish just off the seafloor, making them vulnerable to entanglement in seafloor fishing gear.
31 October 2013, 02:46 PM ET
Using lasers, scientists can now surgically blast holes thinner than a human hair in the heads of fruit flies, allowing them to gaze at how the rodents' brains worked while still alive.
31 October 2013, 01:19 PM ET
Tail wagging could convey more meaning among dogs than previously thought. A new study found that dogs have different emotional responses to their peers depending on the direction of a tail-wag.
31 October 2013, 01:13 PM ET
A controversial theory involving an ancient giant squid or octopus preying on ichthyosaurs gets new life, as researchers claim they've found part of the beak of the Triassic monster.
31 October 2013, 11:10 AM ET
Meet the flying fox, the world's largest and least studied bat. One species in the western Pacific Ocean has now been studied for the first time in the wild, revealing some of the first details of how it eats and breeds.
31 October 2013, 09:00 AM ET
A bizarre boomerang-headed amphibian became a meal for the fin-backed Dimetrodon during the Permian, a new fossil find reveals. This weird creature interaction highlights an ancient ecosystem unlike any today.
30 October 2013, 05:37 PM ET
While billions of livestock contribute to global warming, farming improvements could counter that impact.
30 October 2013, 03:51 PM ET
The first United States national monument honoring the work of dogs in combat was dedicated this week at Lackland Air Force Base in San Antonio, Tex.
30 October 2013, 12:47 PM ET
Is a RoboRoach cyborg kit an educational platform or cruelty to animals?
30 October 2013, 12:01 PM ET
The Argentinosaurus is one of the largest known dinosaurs, but scientists were unsure how exactly the massive creature plodded across the Cretaceous Earth, until now.
30 October 2013, 12:00 PM ET
Using advanced computer modeling techniques, researchers digitally reconstructed the movements of the Argentinosaurus dinosaur, enabling them to recreate how it walked and ran for the first time.
30 October 2013, 11:46 AM ET
An entomologist got a surprise when he returned from doing field work in Uganda: He had a tick up his nose. He got the tick's genome sequenced, and the animal may be a new species.
30 October 2013, 10:37 AM ET
The color change helps reindeer eyes capture more light during the Arctic's dark winter months. The findings are the first known instance of a mammal altering the structure of its eye due to seasonal changes in environmental light.
30 October 2013, 10:01 AM ET
Scientists discovered three new species during an expedition to a remote rainforest in Australia. Here are pictures of the impressively camouflaged leaf-tail gecko, the golden-colored skink and the rock-loving frog.
30 October 2013, 09:59 AM ET
During an expedition to a remote part of northeastern Australia where few humans had tread, scientists discovered three new species of vertebrates: an impressively camouflaged leaf-tail gecko, a golden-colored skink and a rock-loving frog.
30 October 2013, 09:48 AM ET
See stunning images of the reindeer that call the dark, cold Arctic home.
30 October 2013, 09:00 AM ET
No. Snakes are just the most successful of the many reptile lineages that went limbless, radiating over time into roughly 3,000 species that have exploited nearly every available habitat, from the treetops to the open ocean to the ground beneath our feet.
30 October 2013, 02:35 AM ET
Even after Halloween, people need to keep looking out for bats.
30 October 2013, 01:55 AM ET
California, with its record on protecting wildlife, is an example for other states.
30 October 2013, 01:21 AM ET
Bees land perfectly without the benefits of human-like cognition, complex instrumentation and stereoscopic (3D) vision. How do they do it?
29 October 2013, 08:31 PM ET
New video has captured the gory act of a tick bite sucking blood. The new video and imagery reveals exactly how ticks puncture the skin and anchor themselves to the surface.
29 October 2013, 08:01 PM ET
Researchers have captured the process ticks use to bite their hosts in new microscope images.
29 October 2013, 05:32 PM ET
A population of humpback dolphins off the northern coast of Australia has now been identified as a distinct species, adding to the list of three other distinct species within this group of dolphins.
29 October 2013, 05:10 PM ET
Scientists confirmed for the first time this week that at least one type of Asian carp has successfully reproduced in the Great Lakes watershed, a development that could spell trouble for the region's native fish and plankton.
29 October 2013, 10:44 AM ET
Giant armadillos live up to their name, growing up to five feet long and digging holes up to 16 feet deep. These burrows serve as homes for a wide variety of animals in the Amazon.
29 October 2013, 01:23 AM ET
Leadership of the Navajo Nation recently changed course to oppose wild horse slaughter.