Endangered whooping cranes bred in captivity must be taught to fly south. Once the birds learn the route from Wisconsin to Florida, they remember it.

Toddlers came to see a state-of-the-art machine as they would a human buddy, a new study says—prompting some critics to ponder a future of electric friends.

A new, likely endangered species of peccary—a member of the pig family—has been discovered in the southeastern rain forest of Brazil.

Archaeologists in the South Pacific country of Vanuatu have found a skull in a jar and 60 headless skeletons—one of them with three skulls arrayed across its rib cage.

Self-cleaning toilets and a 14-year-old inventor are part of this annual summit in India to address sanitation problems for 2.6 billion people without toilets.

From AIDS to cancer to suicide, see which causes of death hit hardest in which parts of the world using a unique new series of maps.

The nearest nonprimate relatives are not tree shrews, as once thought, but a group of tree-dwelling mammals called colugos, a new study shows.

Genetically engineered mice furnished with fluorescent proteins are providing the most detailed pictures yet of the brain's intricate circuitry.

A bat-loving English couple has turned a spare bedroom into a bat hospital. The United Kingdom protects all of its 17 bat species.

Japan's young and old dress up and decorate for Halloween. Retailers order their Halloween supplies months in advance.

Ghosts are said to haunt a centuries-old South African castle fortification. The military still uses the structure, which is now open to the public.

The quahog clam, plucked from the waters of northern Iceland, beats the official oldest record-holder—another clam—by nearly two hundred years, experts say.

A stargazer's retreat, Deerlick Astronomy Village has strict lights-out rules so vacationing astronomers can get a better view of the Georgia sky.

Occasional incidents of cat mutiliation are usually isolated acts of cruelty, not cult violence, experts say. Warning: graphic image.

Some European Neandertals likely had red hair and pale skin, new DNA research reveals.