17 September 2014, 10:56 AM ET
A little goldfish just underwent a big operation. The pipsqueak, named George, had a life-threatening tumor removed from his head last week at the Lort Smith Animal Hospital in Melbourne, Australia.
17 September 2014, 10:42 AM ET
A small goldfish, named George, underwent surgery at the Lort Smith Animal Hospital in Melbourne, Australia, to remove a life-threatening tumor from his head.
16 September 2014, 07:01 PM ET
Sharks might not be able to adapt to acidified ocean water if climate change continues as-is, new research suggests. Exposure to ocean acidification changed sharks' nighttime swimming behavior.
16 September 2014, 06:49 AM ET
Scientists found traces of scavenging on the bones from a fossilized ichthyosaur from the late Jurassic.
15 September 2014, 10:12 PM ET
The giant beast is being housed in New Zeland and scientists hope the autopsy will help to answer some of the mysteries surrounding the colossal squid.
15 September 2014, 03:40 PM ET
MIT's new robotic cheetah isn't as speedy as its wild counterpart, but it is stealthy and surprisingly agile.
15 September 2014, 10:15 AM ET
MIT researchers have assembled a robotic feline that weighs about the same as its real-life counterpart. It reached its current top speed during indoor track experiments.
12 September 2014, 03:28 PM ET
Good news for shark lovers: This weekend, new international laws will go into effect to strengthen protections for five shark species that are threatened by overfishing.
11 September 2014, 10:37 PM ET
Swimming together, stunning reef sharks show their social side.
11 September 2014, 09:59 PM ET
Sharks are not simple-minded killers — in fact, many tend to be social, with individual personalities.
11 September 2014, 03:19 PM ET
By examining leopard poop in rural India, scientists discovered that the big cats have a surprising favorite food: domestic dogs.
11 September 2014, 02:06 PM ET
The iconic Spinosaurus, a dinosaur known largely from bones destroyed in a World War II bombing, was adapted for life in the water, new research finds. This beast was "half-duck, half-crocodile," the researchers added.
11 September 2014, 02:01 PM ET
The partial skeleton of a Spinosaurus suggests this dinosaur was adapted for swimming in the waters in what is now Morocco.
11 September 2014, 12:02 PM ET
Researchers discovered fossils from an ancient swamp creature in Egypt that they named after Mick Jagger from the Rolling Stones for its huge lips.
11 September 2014, 10:29 AM ET
Jellyfish expert Dr. Monty Graham of the University of Southern Mississippi describes the varied types of human activities that promote giant jellyfish swarms in the Gulf of Mexico.
11 September 2014, 09:53 AM ET
A sprawling ancient flying reptile looked like a dragon that may have flown alongside the aerial predators called ikran in the film "Avatar," in fact, so much so that its discoverers named the newfound beast after these mountain banshees.
10 September 2014, 04:43 PM ET
Claims that a woman in England found deadly spider eggs on her bananas might be bogus.
10 September 2014, 02:15 PM ET
Healthy coral reefs, known for their brightly colored spiny and soft layers, provide a boon for sharks swimming through Australia's Great Barrier Reef, reports a new 10-year study that captured sharks on video camera.
10 September 2014, 01:06 PM ET
Extinct squirrel-like creatures from China suggest the earliest mammals originated more than 200 million years ago, much earlier than previously thought. The furry, tree-dwelling creatures would have lived on the lost supercontinent Laurasia.
10 September 2014, 12:10 PM ET
The hip bone's connected to the … whale penis. Scientists have found that whale hips aren't useless, vestigial structures, but actually play an important role in whale sex.
10 September 2014, 10:08 AM ET
Using their Baited Remote Underwater Video Stations (BRUVS), the Australian Institute of Marine Science recorded several different varieties of shark. In total 21 shark species have been identified. Full Story: http://goo.gl/uC33JK
10 September 2014, 07:06 AM ET
Some sloth lineages grew more than 220 pounds (100 kilograms) every million years — one of the fastest body growth rates known in the evolution of mammals, a new study finds.
09 September 2014, 04:24 PM ET
The dusty Pisco-Ica desert stretches along the coast of southern Peru, but more than 16 million years ago it may have been covered with sparkling water and home to a now-extinct family of dolphins, known as squalodelphinids, according to new findings.
09 September 2014, 04:18 PM ET
The Devils Hole pupfish, an inch-long fish that sparked a Supreme Court battle, could go extinct in less than 30 years, a new modeling study concludes.
09 September 2014, 07:23 AM ET
A parasitic fungus known to manipulate the brains of ants doesn't make slavelike "zombies" out of any old host. Turns out, it produces the correct mind-controlling chemical cocktail only when invading their preferred host species.
09 September 2014, 12:12 AM ET
With Nestlé now adopting a humane-farming policy, the market for inhumanely raised beef, pork and other meats is shrinking.
08 September 2014, 04:43 PM ET
A giant dinosaur found in Tanzania once lived during a lush, green period of flowering plants about 100 million years ago, paleontologists report.
08 September 2014, 03:58 PM ET
Researchers and coal miners excavated Rukwatitan bisepultus, a new species of titanosaurian dinosaur in 2007 and 2008.
08 September 2014, 03:03 PM ET
By looking at images of animals in Egypt's archaeological record, scientists found that most extinctions over the last 6,000 years were linked to periods of big change in terms of climate and human civilization.
08 September 2014, 01:07 PM ET
Species are dying off thousands of times faster than they are being created, according to new research that highlights the planet's looming biodiversity crisis. The study also suggests humans are on the verge of causing a sixth mass extinction on Earth.
05 September 2014, 11:56 PM ET
An international team of researchers studies one slim bird to answer some big biological questions.
05 September 2014, 06:32 PM ET
Florida fisherman catches more than he bargained for with giant "alien" shrimp.