01 July 2015, 06:29 PM ET
A goldfish meant to be a light snack for one the world's largest freshwater fish has lived undetected in the same tank with its predator for seven years.
01 July 2015, 05:35 PM ET
Like cast members on a distasteful reality show, Portuguese man-of-war "jellyfish" are descending upon the Jersey Shore in increasing numbers.
01 July 2015, 02:29 PM ET
About 48 million years ago, a distant relative of the "Jesus lizard," named for its knack for walking on water, darted around the tropical rainforests of ancient Wyoming, a new study finds.
01 July 2015, 02:25 PM ET
The 48-million-year-old skull of an ancient Jesus lizard relative found in Wyoming may shed light on the evolutionary history of lizards, iguanas and chameleons, a new study finds.
30 June 2015, 01:02 PM ET
Deep beneath the surface of the Earth, in a dank and dismal cave, lives Hades, the invertebrate king of hell.
29 June 2015, 06:29 PM ET
North Carolina's recent bevy of shark attacks are the result of many diverse factors, according to experts.
29 June 2015, 03:56 PM ET
The Cambrian explosion, when simple life forms rapidly evolved to more complex creatures, produced some beautiful, bizarre, and mysterious animals
29 June 2015, 03:00 PM ET
A spiky, wormlike creature with 30 legs — 18 clawed rear legs and 12 featherlike front legs that likely helped it filter food from the water — once lived in the ancient oceans of the early Cambrian period, about 518 million years ago, a new study finds.
29 June 2015, 02:17 PM ET
Some of the most ferocious jaws in the animal kingdom belong to a creature that's rather small and quite misunderstood.
27 June 2015, 10:30 AM ET
Antechinus sex involves ambushes, intermittent copulation lasting 14 hours and ultimately suicide.
26 June 2015, 05:08 PM ET
Heritage livestock breeds are going extinct at the rate of one species per month. In a 20-year project to cryopreserve genetic material from endangered North American breeds, SVF Foundation aims to insure against potential catastrophe.
26 June 2015, 02:33 PM ET
Ever wonder what might happen if a python ate a porcupine? Well, wonder no more. One of these giant snakes — which kill prey by suffocating it and then consuming it whole — recently dined on a porcupine and didn't live to brag about it.
26 June 2015, 06:11 AM ET
A company is making synthetic rhino horn in order to flood the market and drop the price, thereby reducing demand, but some conservationists say the approach could backfire.
25 June 2015, 04:43 PM ET
Florida panthers are getting a lifeline in newly protected territory, but will it be enough?
24 June 2015, 02:13 PM ET
What's white and blind and hairy all over? A yeti, of course! Or rather, a yeti crab.
24 June 2015, 02:11 PM ET
They're white, blind and surprisingly hairy. They're yeti crabs.
24 June 2015, 02:00 PM ET
An ancestor of modern-day turtles, a shell-less creature with a long tail once puttered around an ancient lake, likely munching on insects and worms with its peglike teeth, a new study finds.
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.