30 August 2014, 12:24 PM ET
On the one-hundredth anniversary of the last passenger pigeon's death, reflections on the loss of darkened skies.
29 August 2014, 03:10 PM ET
Swinging on fire hoses. Basking in the sun. See the many ways these chimpanzees are enjoying retirement at Chimp Haven after years in a laboratory.
29 August 2014, 01:00 AM ET
Demodex mites are microscopic arachnids (relatives of spiders and ticks) that live in and on the skin of mammals – including humans.
29 August 2014, 12:00 AM ET
We can start watching urban ecosystems for problem insects and using that information to stand forewarned about future ecological changes in natural areas.
28 August 2014, 05:04 PM ET
A tenfold increase in protected coral species was announced Wednesday, with 20 new corals added to the threatened species list.
28 August 2014, 01:58 PM ET
A new study may upend some assumptions about bear smarts.
27 August 2014, 02:30 PM ET
African fish called bichir have lungs and can walk on land. In a new study, researchers raised juvenile bichir on land, and compared them with bichir raised in water.
27 August 2014, 02:22 PM ET
Just as with humans, when wolves see one of their fellow creatures yawn, they do it too, a new study suggests. And the contagious yawning could be a sign that these animals have the capacity for empathy, the researchers say.
27 August 2014, 01:18 PM ET
An unusual type of fish that can walk and breathe air develops quite differently when it is raised on land, rather than in water. The study holds clues to a pivotal moment in animal evolution, when the first creatures moved out of the water and onto land.
26 August 2014, 10:09 PM ET
Turtles across the United States need help.
26 August 2014, 07:01 PM ET
A fossilized creature found in Canada probably didn't go to the gym, but it may be the oldest animal known to have muscles, a new study finds.
26 August 2014, 07:01 PM ET
Yes, spiders can have personalities. And new research finds that these personalities assert themselves when spiders find their niches in social groups. The study suggests an evolutionary reason for the development of personality.
26 August 2014, 03:07 PM ET
Rhino reproduction may undergo a renaissance in European zoos, as researchers try to tap into how they can boost the success of these massive animals mating in captivity, according to a new study.
24 August 2014, 08:34 PM ET
Find yourself thinking that the spider living in your garden is the biggest you’ve ever seen? You could be right.
21 August 2014, 02:00 PM ET
New research reveals why hummingbirds ¬have a taste for sweets even though they lack a sweet taste receptor on their tongues.
21 August 2014, 02:00 PM ET
When looking for a place to settle down, young corals and fish use chemical cues to sniff out bad neighborhoods littered with seaweed.
20 August 2014, 04:38 PM ET
Award-winning scientist and conservationist Patricia Wright talks about how she came to love lemurs and how important they are to save.
20 August 2014, 03:29 PM ET
Perhaps even creepier than spiders are city spiders. New research has found the humped golden orb-weaving spider grows larger and produces more eight-legged babies in urban areas.
20 August 2014, 02:55 PM ET
When European explorers landed in the Americas, they brought tuberculosis (TB) and a wave of other deadly diseases with them. However, some strains of TB may have already been lurking in South America, a new study finds.
20 August 2014, 02:15 PM ET
A new fossil-analysis technique revealed that early mammals from the Jurassic period were probably more picky insectivores than scientists previously thought.
20 August 2014, 10:51 AM ET
They might not have feather dusters, brooms or even arms and legs, but bivalves — such as clams, mussels and oysters — make good underwater maids, a new study suggests.
20 August 2014, 08:44 AM ET
A new fossil find reveals that a family of lizardlike reptiles survived the Cretaceous extinction that killed the dinosaurs and lived for millions more years in South America.
19 August 2014, 07:01 PM ET
Some snakes seem to be little scaredy-cats, as research finds when climbing trees, they hold on for dear life, using a much greater force than is needed to grip tree trunks. The finding suggests snakes prefer to play it safe than conserve energy.
19 August 2014, 03:03 PM ET
A carpet python climbs a tree (not slow motion). The graph above shows the force being exerted as the snake grips the tree on the way up.
19 August 2014, 01:01 PM ET
A fungus that turns worker ants into zombie henchmen has a surprisingly clever strategy to recruit new hosts.
19 August 2014, 12:02 PM ET
Pint-size pikas survived Oregon's Dollar Lake fire, providing new insight into their resiliency to environmental change.
19 August 2014, 11:00 AM ET
Concrete roads may help cars go fast, but they slow down snakes, new research finds. A speed test for the northern pine snake shows that it takes the snakes 2 minutes to cross a two-lane concrete road, versus 45 seconds on a sandy area of the same length.
19 August 2014, 09:33 AM ET
Giant 'dragon' pterosaurs from the group Azhdarchidae had a large distribution and likely played a key role in the Cretaceous period ecosystem.
18 August 2014, 03:36 PM ET
The insatiable demand for ivory is causing a dramatic decline in the number of African elephants. Poachers are hunting the animal faster than it can reproduce, a new study finds.
18 August 2014, 03:03 PM ET
Octopuses and squid possess the amazing ability to blend in with their surroundings, but now, researchers have created a man-made system that mimics this form of camouflage.
18 August 2014, 02:21 PM ET
A bizarre ancient worm finally finds its place in the tree of life. Hallucigenia sparsa is such a strange specimen that its head was originally thought to be its tail, but researchers now know that it was the ancestor of modern velvet worms.
18 August 2014, 12:43 PM ET
Summer speed limits could reduce roadkill deaths for the rare Hine's emerald dragonfly, an endangered species.
18 August 2014, 11:18 AM ET
A dragonfly tumbles after a roadway collision with a University of South Dakota researcher's truck in Door County, Wisconsin. Summer speed limits could reduce roadkill deaths for the Hine's emerald dragonfly, an endangered species.
15 August 2014, 10:26 PM ET
The USDA is changing the rules on imported puppies, preventing the exceptionally young and sick from having to endure what can be a deadly journey.
15 August 2014, 02:54 PM ET
Drexel University has conducted a "snake race" and have determined that northern pine snakes move slower on roads than they do on sand and soil, leading to high road kill numbers.
15 August 2014, 02:51 AM ET
Millipedes aren’t particularly well known by the general public, or even by most scientists for that matter.