Sergio Canavero, an Italian neurosurgeon who made news in 2013 with his bold proposal of conducting the world's first head transplant, revealed that he has given a second head to a rat via the world's first head transplant.
NOAA declares unusual mortality event due to a large number of dead humpback whales washing along the Atlantic coast.
It may suck leaving your pup at home every day, but canine experts say it's even worse for your dog.
Nearly 15 percent of the humpback whales that come to feed in the southern Gulf of Maine every spring collide with boats and other marine vessels.
Mammals spend an average of 12 seconds to poop. This is according to a new study that says mammals only take 12 seconds to poop to protect themselves from predators.
A massive female porbeagle shark, believed to be the biggest ever caught was reeled in at Hartland Point in Devon.
An unidentified perpetrator has dropped a ball of about 40 snakes in the parking lot of Walmart at Paragould, Arkansas.
The three-foot continental giant rabbit, named Simon, died in the cargo section of a Boeing 767 after flying out of Heathrow to be with his new celebrity owner in the U.S.
There's new hope for all species fighting extinction.
Internet sensation April the Giraffe has her mothering instincts on point.
The headless dinosaur skeleton in Dinosaur Provincial Park in southern Alberta and the dinosaur skull stored in the university's Paleontology Museum actually belonged together.
Molly, the rare "hermaphrodite" dog had undergone gender reassignment surgery.
Researchers successfully grew a premature lamb inside an artificial womb. The technology is being tested to see if it will work for premature babies in the future.
Eight lambs born at equivalent of 23 weeks human gestation were kept alive by placing them inside a "biobag, " which appears to be a huge ziplock that is attached with tubes of blood and fluid.