24 June 2015, 01:15 PM ET
Scientists have finally seen the face of the ancient worm Hallucigenia, which leaves fossils so bizarre researchers once thought its top was its bottom and its back was its front. And it's a doozy, with a circular tooth-lined mouth and throat.
24 June 2015, 07:50 AM ET
The U.S. Fish and Wildlife Service (FWS) is planning to remove the eastern cougar from the endangered species list after determining the subspecies has likely been extinct for 70 years.
24 June 2015, 07:31 AM ET
Curling up to look like a pile of poop might not sound appealing, but it's a useful strategy that some species of caterpillars use to hide from hungry birds, a new study finds.
23 June 2015, 03:37 PM ET
The Jersey Shore is the place to be this summer (if you're a dead sea creature).
23 June 2015, 02:58 PM ET
In a first-of-its-kind project using cameras mounted onto the fins of deep-sea sharks, researchers have made surprising discoveries about what keeps these mysterious creatures afloat.
23 June 2015, 02:46 PM ET
Researchers at the University of Hawaii and the University of Tokyo studied sharks' swimming habits using fin-mounted cameras.
23 June 2015, 07:28 AM ET
The New Guinea flatworm, one of the worst invasive species on Earth, has appeared for the first time in the U.S. — in Miami-Dade County, Florida. The worm uses a mouth protruding from its belly to suck soft tissues from snails.
22 June 2015, 07:33 AM ET
There are lots of cute (and some not-so-cute) critters out there whose names really reflect their physical characteristics.
19 June 2015, 08:24 PM ET
U.S. officials destroyed more than 1 ton of illegal ivory in New York City on June 19, 2015.
19 June 2015, 07:32 PM ET
Some 1,500 people gathered in New York City's Times Square today to witness the destruction of 1 ton of confiscated ivory — a move intended to demonstrate to the world that objects made from poached ivory have no value.
19 June 2015, 02:10 PM ET
Diverse animals across the globe are slipping away and dying as Earth enters its sixth mass extinction, a new study finds.
19 June 2015, 01:42 PM ET
Blood-sucking parasites are yet another serious threat to plague bees.
19 June 2015, 07:10 AM ET
About 16 million years ago, a giant bat used all four of its limbs to stalk around the subtropical rainforest of modern-day New Zealand, a new study finds.
18 June 2015, 05:41 PM ET
A baby dolphin sounds cute, right? What about a baby dolphin torn apart by hungry sharks?
18 June 2015, 01:52 PM ET
In a public display against elephant poaching, U.S. officials will pulverize a huge store of illegal ivory tomorrow (June 19) in Times Square, in the heart of New York City.
18 June 2015, 12:40 PM ET
Eastern gray and red kangaroos are overwhelmingly left-pawed, unlike humans. The study is the first to examine handedness in wild marsupials.
18 June 2015, 07:54 AM ET
After losing limbs, juvenile moon jellyfish rearrange their remaining limbs to stay symmetrical. This never-before-seen method of self-repair probably helps jellies stay alive in the wild, the researchers said.
18 June 2015, 07:53 AM ET
Delicate saucer-shaped blobs that pulsate their way through the seas, moon jellyfish have a clever trick up their "sleeves," as scientists have found the jellies can self-repair after losing a limb or two.
17 June 2015, 01:59 PM ET
As injured moon jellies (Aurelia aurita) swim, their dynamic body pulsations will drive remaining legs into a symmetrical configuration. Such ‘symmetrization’ is a never-before seen self-repair strategy.
16 June 2015, 08:53 PM ET
As wasps become more social, the brain regions responsible for complex cognition decrease in size. Turns out, they may make up for these smaller "higher thinking" areas by working together and sharing brainpower, researchers found.
16 June 2015, 02:20 PM ET
The oldest known banded bald eagle was killed by a car recently, but the 38-year-old bird of prey set a new longevity record.
16 June 2015, 01:29 PM ET
Love social media? It may be making you individually dumber. Research into wasp brains shows that central cognitive processing decreased as social behavior increased.
16 June 2015, 07:07 AM ET
But how accurate are the dinosaurs of "Jurassic World"? Live Science asked seven paleontologists to scientifically assess the film and its beastly characters. Their analyses revealed dinosaur faux pas, from the lack of dinosaur feathers to the strangely l
16 June 2015, 07:01 AM ET
The film "Jurassic World" stars a massive chicken-based dinosaur that was created in a lab. The genetically altered behemoth, dubbed Indominous rex, is fictitious, but one famed dinosaur hunter says the idea is not so far-fetched.
16 June 2015, 03:36 AM ET
Hedgehogs are small mammals with cone-shaped faces, short legs and bodies that are covered with porcupine-like quills, but they are not closely related to porcupines.
15 June 2015, 07:29 PM ET
A trip to the beach turned terrifying for two young people on Sunday (June 14) when each was attacked by a shark while wading in waist-deep water off the coast of Oak Island, North Carolina.
15 June 2015, 04:09 PM ET
Giant dinosaurs steered clear of the tropics for tens of millions of years because wild climate swings there were too much for them to handle, researchers say. The finding could shed light on troubles that climate change might bring in the future.
13 June 2015, 09:07 AM ET
Faced with a rapidly changing habitat, polar bears are adapting with a new entrée: For the first time, a polar bear was seen preying on a white-beaked dolphin carcass that had been trapped in the ice in Svalbard.
13 June 2015, 08:32 AM ET
For the first time, scientists have reported polar bears preying on white-beaked dolphins in Svalbard. Check out these stunning photos of the bears and their dolphin meals on an icy island.
12 June 2015, 03:20 PM ET
A video of a diver appearing to high-five a shark made the rounds Wednesday (June 10) and one might reasonably ask whether that isn't a seriously dangerous thing to do. According to shark experts, it's not as crazy as it looks.
11 June 2015, 10:01 PM ET
One of the biggest great white sharks ever recorded has sent waves across the Internet for her seeming high five with a dive master. Turns out, the diver in the shark cage was not slapping the shark's fin in celebration.
11 June 2015, 09:20 PM ET
Iguanas are lizards identified by their stocky stature, saggy skin and spines. They are popular pets and can live 15 to 20 years if cared for properly.