08 February 2016, 08:20 AM ET
Galápagos tortoise mating involves neck competitions, harassment and lengthy sperm storage.
05 February 2016, 04:46 PM ET
A new robot salamander has been designed by mimicking nature, and it can both swim, walk and turn.
05 February 2016, 03:32 PM ET
Who would win in a matchup between a real-life bronco and a panther? It turns out, the odds are fairly even for both of those creatures.
05 February 2016, 11:26 AM ET
Wild leopard cats may have been domesticated by farmers in China more than 5,000 years ago, according to a new study of feline fossils.
04 February 2016, 05:09 PM ET
Tarantulas take a starring role in a new study that reorganizes their group, reclassifying the majority of 55 known tarantula species and adding 14 new ones.
04 February 2016, 04:20 PM ET
Tarantulas star in a new study that describes 14 new species living in deserts, mountains, and backyard habitats in the southwestern United States.
04 February 2016, 01:04 PM ET
Duck-billed dinosaurs and an ancient wildebeest-like animal lived tens of millions of years apart, but they have strikingly similar, peculiar noses, a new study finds.
04 February 2016, 09:49 AM ET
Four new species of deep-sea flatwormlike animals that resemble deflated whoopee cushions and lack complex organs have solved a complicated puzzle about their group's placement on the tree of life, scientists found.
03 February 2016, 02:03 PM ET
The Xenoturbella churro is one of 4 deep-sea worm recently discovered 5,577-feet (1,700 meters) down in the Gulf of California.
03 February 2016, 01:37 PM ET
A company called 'Guard From Above' has trained birds of prey to take down drones in situations where they are used for hostile and/or illegal purposes. Dutch National Police Corps are employing the birds in a new drone monitoring initiative.
03 February 2016, 08:54 AM ET
An unfortunate death for an aroused male arachnid gives researchers a rare look at ancient harvestman genitalia.
02 February 2016, 08:30 PM ET
A 99-million-year-long erection? Well, sort of: Scientists discovered a spider relative trapped in amber, with its erect penis preserved. Here's a look at the male daddy longlegs in all its glory.
02 February 2016, 07:02 PM ET
North American brown snakes are nonvenomous, unlike the Australian variety, which is among the most venomous in the world.
02 February 2016, 06:47 PM ET
Some experts say camel's milk may help fight a number of diseases, including diabetes, cancer, shingles and autism.
02 February 2016, 02:44 PM ET
Acclaimed writer Amy Tan — author of numerous best-selling novels, collections of essays and children's books — will now also be known for inspiring the name of Chtonobdella tanae, a ground-dwelling leech from Australia.
02 February 2016, 02:16 PM ET
Scientists have decoded the bedbug's genome, and the findings might help researchers develop new ways to exterminate the blood-sucking parasites.
02 February 2016, 02:08 PM ET
A new study found that ravens seem to know when they're being spied upon by a rival who might steal from them, and then take steps to protect their food.
02 February 2016, 12:43 PM ET
Two tiny frogs hiding out in Taiwan are new species to science and it turns out the tadpoles of the newfound tree frogs munch on their mom's gooey, unfertilized eggs. The frogs also have brilliant-colored eyes.
02 February 2016, 08:46 AM ET
Early this morning, the Punxsutawney Phil signaled that spring is near as he saw his shadow in his 130th prediction. How often does he get it right?
01 February 2016, 05:15 PM ET
Punxsutawney Phil may not know it, but groundhogs were part of the menu on Groundhog Day in the late 1800s.
01 February 2016, 04:16 PM ET
Thousands of dead seabirds have washed up on Alaskan shores over the past nine months. And while a dead bird washing ashore is a fairly common occurrence, these large numbers are leaving scientists concerned and confused.
31 January 2016, 12:28 PM ET
Animals with bigger brains relative to body size are better when faced with a problem-solving task. The finding provides experimental data supporting the link between brain size and smarts, which scientists have long debated.
29 January 2016, 04:54 PM ET
Can climate warming be reversed if diets continue to add more meat?
29 January 2016, 01:22 PM ET
Researchers used a novel specimen preparation method and micro-computed tomography (CT) to examine a new leech species — Chtonobdella tanae — which was named after best-selling author Amy Tan.
29 January 2016, 09:50 AM ET
The burnt eggshell fragments of an ancient giant bird have helped scientists solve a 50,000-year-old whodunit in Australia.
28 January 2016, 04:35 PM ET
It was, by any measure, a giant and should be cause for celebration.
28 January 2016, 12:02 PM ET
A new study reveals that octopuses frequently communicate with each other in challenging displays that include posturing and changing color.
27 January 2016, 06:18 PM ET
Oregon State University might want to consider changing its mascot after a monumental find yesterday: The discovery of bones belonging to an ice-age mammoth within throwing distance of its football field.
27 January 2016, 02:14 PM ET
Long thought to be solitary predators, octopuses actually have social lives, ‘debating’ with each other by "standing very tall, raising the body mantle high above the eyes, and turning very dark," according to David Scheel.
26 January 2016, 12:21 PM ET
The beetle mimic cockroach gives live birth, and one researcher from the University of Cincinnati figured out what was happening on the genetic level.
26 January 2016, 06:48 AM ET
Tegu lizards burn hotter than the average lizard when it's time to create the next generation.
26 January 2016, 12:05 AM ET
Gopher snakes are nonvenomous serpents that are often mistaken for rattlesnakes.
25 January 2016, 11:53 PM ET
Omnivores are the most flexible eaters of the animal kingdom; they eat both plants and meat.
25 January 2016, 05:24 PM ET
A network of motion-activated cameras monitored by conservationists is capturing millions of photos of unsuspecting wildlife, helping scientists to glimpse the big picture of worldwide biodiversity in protected areas.
25 January 2016, 05:22 PM ET
Camera trap images represent birds and ground-dwelling mammals living in highly diverse ecosystems in protected areas.
25 January 2016, 01:59 PM ET
A new species of daddy longlegs has been unearthed lurking on the forest floor in the mountains of Oregon, and it’s a relative beast compared to its close cousins.