Microchip-implanted penguins in Argentina are helping scientists by just doing what comes naturally on the birds' favorite "highway" to the sea.

Linguists in India are scrambling to save some of the country's nearly 700 languages before they fade in the face of globalization.

A giant stingray—weighing more than 550 pounds—gives scientists hope that this once endangered megafish is more abundant than previously thought.

Some 2,000 years ago, a ship laden with marble blocks sank off the coast of modern-day Turkey. Nautical archaeologists have found the stones' source and destination.

It's well known that animals can give diseases to humans. But now the first known case of humans transmitting a disease to wildlife is being analyzed in Africa.

It's well known that animal diseases can be transmitted to humans. But a veterinarian is studying the reverse: wild mongooses infected with human tuberculosis in Botswana.

Mastiff dogs are becoming increasingly popular in Spain to protect cattle from a growing wolf population.

After the recent chimp attack in Connecticut, a Florida sanctuary's work is more pertinent than ever. The facility treats pet primates that have been abused or abandoned.

Underwater archaeologists in Florida have discovered secrets from a time when wooly mammoths, giant sloths, and huge tortoises roamed a landscape quite different from today's sunshine state.

On an unprecedented Congo River run, scientists and kayakers have found potential new species, spike-toothed "monster fish," and evidence that the African river may be the world's deepest.

Archaeologists digging at the site of George Washington's early home have discovered clues about the boyhood of the first U.S. President.

Using tiny "backpacks," a scientist tracks North American songbirds to their tropical wintering grounds for the first time and finds they travel faster than previously known. With video.

Migratory birds are among the world's most accomplished air travelers, but scientists are still trying to solve the mysteries of how they do it and where many species wind up.

Forty-seven million years ago primitive whales gave birth on land, according to a new study of a pregnant whale fossil that sheds light on how these mysterious mammals moved from land to sea.

A new ocean update to Google Earth allows users to dive underwater, see ocean topography, and watch regions change over time.