23 February 2016, 09:39 AM ET
Female cuckoos are brilliant masters of disguise — at least when it comes to laying their eggs.
22 February 2016, 03:02 PM ET
A new genetic analysis of the glyptodont, an ancient armored creature the size of a Volkswagen Beetle, reveals that it's closely related to the modern-day armadillo.
22 February 2016, 08:03 AM ET
An ethereal undersea image of a seahorse titled "Gold," rose above photography submissions from entrants in 54 countries to win its photographer a top prize.
22 February 2016, 07:26 AM ET
A golden seahorse seemingly floating against a wavy backdrop, a catshark supernova and a bear fishing for dinner are just a few of the stunning images that were recognized in this year's Underwater Photographer of the Year, 2016.
19 February 2016, 04:57 PM ET
Pythons are large constricting snakes native to Asia, Africa and Australia, although some have invaded Florida.
19 February 2016, 01:19 PM ET
Two tardigrades and one egg that spent the past three decades cooling their jets in a researchers' freezer were recently resuscitated.
19 February 2016, 10:19 AM ET
A microscopic Tardigrade SB-1, Acutuncus antarcticus, was rehydrated and slowly came back to life. After 2 weeks it was a crawling, eating, and reproducing organism once again.
19 February 2016, 10:14 AM ET
It's fairly common to discover dinosaur remains scratched with ancient claw or bite marks, but finding fossils with signs of tumors is rare.
19 February 2016, 07:31 AM ET
Recently, commercial collectors have been using reports of such new species in scientific journals as tools to track down the newbies so they can sell them for a profit on the exotic pet trade market.
18 February 2016, 12:52 PM ET
People who fear spiders tend to perceive these creepy-crawlies as larger than they actually are, a new study finds.
18 February 2016, 10:26 AM ET
Deadly Orangutan Attack: 2 Apes Team Up to Kill Another
18 February 2016, 07:06 AM ET
The sea butterfly, a tiny marine snail, has more in common with flying insects than you might expect, according to a new study investigating the creature's swimming technique.
17 February 2016, 03:00 PM ET
Scientists recently described eight new species of a long-legged spider native to Brazil, nearly doubling the number of known species in the genus.
17 February 2016, 02:48 PM ET
For the first time on record, researchers have diagnosed two naked mole rats (Heterocephalus glaber) with cancer.
17 February 2016, 11:40 AM ET
A big brain can be a liability instead of an asset for many mammals, finds new research that identifies a reversal of a 40-million-year-old trend.
17 February 2016, 11:18 AM ET
Cretaceous ants locked in jaw-to-jaw battle. An ant with a camel-like head and hairy mouth. And soldier termites with their jaws clasped around each other's appendages. These are a few scenes scientists discovered trapped in amber.
17 February 2016, 10:48 AM ET
Here's a look at photos of ancient ants and soldier termites frozen in battle in tree resin called amber. The warring Cretaceous insects were discovered in Myanmar.
17 February 2016, 07:27 AM ET
Turns out, dogs may be chasing rabbits or sniffing playmates in their dreams, researchers say. The length and frequency of such doggy dreams may have to do with the size of the canine, and twitching during dreams has been linked to a pet's age.
16 February 2016, 02:48 PM ET
At least 10,000 sharks have gathered in waters off the southern coast of Florida — but don't panic. They’re annual visitors that migrate south for the winter.
16 February 2016, 12:30 PM ET
Florida Atlantic University professor Dr. Stephen M. Kajiura took to the sky along Florida's coast to capture footage showing approximately 10,000 – 12,000 blacktip sharks, part of a colony that migrates seasonally to these waters.
16 February 2016, 07:05 AM ET
There may be other explanations for 150,000 missing Adélie penguins presumed dead in Antarctica.
16 February 2016, 06:42 AM ET
A colony of Adélie penguins, some 150,000 individuals, on Cape Denison in Commonwealth Bay, in East Antarctica, went missing after a Rhode Island-sized iceberg called B09B crashed into the bay's Mertz Glacier. Here's a look at the penguins.
14 February 2016, 10:57 AM ET
Sea butterflies (Limacina helicina) "beat their wings in a "figure-of-eight pattern" like flying insects, according to Georgia Institute of Technology researchers.
13 February 2016, 05:45 PM ET
This Valentine's Day, mischievous Cupid will be fluttering about with bow in hand, seeking out mortal hearts to pierce with his love-tinged arrows. But the winged god isn't the only one known for this behavior. Land snails also shoot love darts.
12 February 2016, 11:57 AM ET
The world's oldest known wild bird just added a new chick to the family — her 40th one, experts say.
12 February 2016, 10:50 AM ET
When an Australian farmer walked out onto his land he got a creepy treat: a dead brown snake strung up in the web of a daddy longlegs spider. The spindly spider seemed to have ensnared the snake and kept it dangling like a titanic trophy.
12 February 2016, 09:17 AM ET
This brown snake was no match for this fearless Australian arachnid. Weethalle farmer Patrick Lees captured video of the aftermath.
11 February 2016, 12:08 PM ET
What does the world look like to a wasp trying to map its way home? Here's a wasp's-eye-view of how the little insect sees the world on its loopy trip back to its nest.
11 February 2016, 11:47 AM ET
What a ground-nesting wasp (Cerceris arenaria) sees as it leaves its nest each day. Researchers suggest series of loops flown encode a precise pattern – a mental map – to help them find their way home.
11 February 2016, 07:07 AM ET
Trilobites were savvy killers who hunted down their prey and used their many legs to wrestle them into submission, newly discovered fossils suggest.
11 February 2016, 06:38 AM ET
The Burmese python has worn out its welcome, and its time is nigh.
10 February 2016, 05:54 PM ET
Last year was the worst year on record for unprovoked shark attacks on humans, though the total number of attacks was still miniscule relative to other causes of death.