Brought to the island by Vikings, the Icelandic horse does two gaits (besides walk, trot, and gallop) that no other horse does.

The two curled, tusklike teeth of the male beaked whale evolved to attract females as well as to battle other males, according to new research.

Biologists literally give fish a bath to try and eliminate parasites in the sea near a coral reef in the U.S. Virgin Islands.

An "extinct," dinosaur-era Australian stick insect was discovered on a remote island and is being reintroduced to one of its native habitats.

Bizarre prehistoric creatures--sea monsters, gargantuan rodents, a redheaded Neanderthal--are among the stars of the most read stories on dinosaurs and fossils by National Geographic News in 2008.

Speedboating Santas in Australia, a rare swimming hippo baby, and tiger-striped Chinese dancers star in this week's best news photos.

Researchers in Austria say they've found that dogs react negatively to perceived unfair treatment.

The fatherly care birds show towards their offspring may have its roots in dinosaur behavior, a new study shows.

See National Geographic News's most popular individual photos of 2008, including pictures of a giant stingray, a "smiling" sky, a lizard-snake standoff, and more.

Climate change is threatening the way of life of Africa's Maasai herders—even forcing some to take their cattle to feed at garbage dumps.

Scientists in Australia are trying to learn more about koalas' breeding habits by listening to the animals' bellows.

An amateur paleontologist picked up a piece of amber on the south coast of England that scientists say holds a 140-million-year-old spider web.

To find ways to prevent dolphins from getting entangled in nets, researchers cover the animals' eyes to see if dolphins will use passive listening to locate objects.

A local government in Peru is promoting roasted guinea pig for Christmas dinner instead of the traditional turkey or pork.

A pink, cyanide-squirting millipede and probably the world's biggest spider are among 1,068 new species discovered in a single Asian region in the last ten years.