04 June 2015, 08:29 AM ET
Each smaller than a thumbnail, seven new species of frog have been discovered in the cloud forests of Brazil. Some have warty coverings while others are smooth with spots.
04 June 2015, 08:25 AM ET
Seven new species of miniature frogs, each fitting onto the tip of a thumb, have come out of hiding in the Brazilian Atlantic Rainforest. The teeny-tiny frogs live on isolated mountaintops in cloud forests. Here are photos of the colorful cuties.
03 June 2015, 02:50 PM ET
You may not want to hand them an apron and spatula just yet, but chimpanzees have many of the smarts to cook food, researchers found in a series of experiments with sweet potatoes and carrots.
03 June 2015, 02:27 PM ET
Researchers Felix Warneken and Alexandra Rosati have discovered that chimpanzees have the cognitive skills needed to cook food, suggesting that cooking probably came soon after control of fire in human evolution.
03 June 2015, 02:01 PM ET
Researchers unearthed several giant vertebrae from a giant shark that trolled the seas about 100 million years ago.
03 June 2015, 12:15 AM ET
Chameleons are lizards that are known as one of the few animals that can change skin color.
02 June 2015, 11:00 AM ET
A bird with spotted, ribbonlike tail feathers once flew around the ancient supercontinent of Gondwana, a new study finds.
02 June 2015, 11:00 AM ET
About 115 million years ago, a teenage bird with spotted, ribbonlike tail feathers flew around the trees of the supercontinent Gondwana, until it perished and fossilized in what is now northeastern Brazil, a new study finds.
02 June 2015, 02:33 AM ET
Bird migration is at its peak — catch a glimpse as they pass through, a sign of the health of our planet.
01 June 2015, 12:09 PM ET
To the surprise of scientists, giant endangered fish with sawlike snouts in Florida are experiencing virgin births, reproducing without sex. This is the first solid evidence of such asexual reproduction in the wild for any animal with a backbone, scientis
01 June 2015, 11:25 AM ET
Researchers have found, for the first time time ever, 'normally sexually reproducing vertebrate' are having ‘virgin births.'
30 May 2015, 08:04 AM ET
Many forest critters glow — here are a few tricks to finding bioluminescent insects in your own neck of the woods.
30 May 2015, 03:46 AM ET
Bespectacled Andean bears give pandas some cuteness competition.
29 May 2015, 11:25 AM ET
Apes, which include gorillas, bonobos, chimpanzees, orangutans, gibbons, siamangs — and people — are humanity's closest living relatives. Humans and chimps share about 98 percent of their DNA.
29 May 2015, 09:05 AM ET
One woman's snack break turned sour this week when she reached into a bag of grapes and felt the bite of a venomous black widow spider. But black widows aren't as horrifying as you might think.
28 May 2015, 11:30 AM ET
Male wolf spiders use "purring" vibrations to serenade their sweethearts, but this wooing only works if the females can feel these vibrations, new research finds.
28 May 2015, 11:02 AM ET
A paralysis-inducing wasp, a color-changing toad and a bat with eerily long teeth — what do all of these critters have in common?
28 May 2015, 10:58 AM ET
In 2014, 139 new species of plants and animals were discovered in parts of Cambodia, Laos, Myanmar, Thailand and Vietnam, an area collectively known as the Greater Mekong region.
27 May 2015, 03:30 PM ET
The Millipedes (Motyxia sequoiae), which have only been found in the Sierra Nevada region of California, have a unique walk and "give off a green-blue glow," according to Virginia Tech assistant professor Paul Marek.
27 May 2015, 02:17 PM ET
Male wolf spiders (Gladicosa gulosa) use vibration to communicate. Unlike other wolf spider species, they create airborne sounds that are audible, but females can only "hear" the vibrations when they resonate on a dry leaf.
27 May 2015, 01:43 PM ET
The color-changing panther chameleon has long fascinated scientists, but there's more to the reptile than meets the eye: what was once considered to be one species is actually 11 distinct species of chameleon, a new study finds.
27 May 2015, 01:40 AM ET
The panther chameleon, admired for its color-changing abilities, is not a single species, as scientists long thought.
26 May 2015, 03:41 PM ET
"Astoundingly huge" dinosaur Dreadnoughtus schrani is rewriting the book on the physical limits of life.
26 May 2015, 03:17 PM ET
Billions of by-the-wind sailors, also called Velella velella, could wash ashore in coming months because of favorable water temperatures and onshore winds.
26 May 2015, 07:49 AM ET
With the bill and webbed toes of a duck, tail of a beaver and body of an otter, platypuses are some of the strangest-looking animals on the planet. Their mating behaviors are just as odd, involving venom battles, tail biting and aquatic dances.
22 May 2015, 03:02 PM ET
Here are some of the other amazing advances in animal surgeries.
22 May 2015, 09:28 AM ET
With the discovery of the supermassive dinosaur Dreadnoughtus schrani, the most complete skeleton ever found of its type, Drexel University scientists have an unprecedented window into the anatomy and biomechanics of the largest animals to ever walk.
22 May 2015, 09:26 AM ET
Squid, octopuses and cuttlefish are colorblind, but they can still reproduce a near-infinite number of camouflage patterns. New research suggests they're helped along by light-sensing cells in their skin.
22 May 2015, 07:58 AM ET
Nearly one-third of Americans believe animals should have the same rights as people, a recent poll finds.
21 May 2015, 12:01 PM ET
About 425 million years ago, a sneaky wormlike parasite invaded a crustacean before the two were fossilized together in the limestone of modern-day England, a new study finds.
21 May 2015, 12:00 PM ET
The genome of 35,000-year-old wolf rib from Siberia suggests huskies carry ancient wolf DNA.