Researchers now say that the two-headed bull shark discovered in Gulf of Mexico April 7, 2011, was indeed a single shark that had two heads, and that it wasn't a conjoined twin.
The first humans to settle in the Pacific islands did not leave a great legacy behind; in fact, they're to blame for about 10 percent extinction of bird species in the world, according to a new study.
A new study of great tits (Parus major) correlates females' appearance to the health of her offspring.
After two emergency Ceasarian sections, scientists decided to go ahead and castrate one of the few remaining Iberian lynx's in the world.
Sleeping will aid the brain's ability to consolidate learning when two competing tasks are learned the in the same day, according to new research from the University of Chicago.
Of the 19 whales that struck shore on Sunday, at least seven have died despite efforts of locals.
Nearly 1,000 dead ducks have been pulled from a section of the Nanhe River in Pengshan County, southwest of China's Sichuan Province, according reports.
Researchers from a zoo based in Berlin have found a way to stop a rare species of cat called Iberian lynx from going extinct.
A rare giraffe has now given birth to a healthy calf at LEO Zoological Conservation Center in Connecticut. The endangered giraffe is the first one to be born in the state.
An abandoned sea otter that was found in Alaska has found a permanent home in the Vancouver Aquarium, according to media reports.
Scientists announced new research on Friday which linked the abrupt disappearance of half of earth's species 200 million years ago to a precisely dated set of gigantic volcanic eruptions.
With gerenuks on the decline in the wild, groups like the SSP are seeing to their survival in captivity.
Officials are proposing naming 740 miles of shoreline as a critical habitat for loggerhead turtles.
Eight new species of frogs have been discovered in one place -- Sri Lanka's Peak Wilderness Sanctuary, but most of the frogs are on the verge of extinction, according to a new study.