Large grazing animals temper the effects of climate change on Arctic ecosystems by keeping plant explosions in check, according to a new study.

Bird researchers traveling through rural Costa Rica in pursuit of the elusive Pacific screech owl were attacked August 3 by locals who mistook them for thieves.

The biggest graveyard ever found in the region has revealed how ancient humans lived and died when the desert was a grassy savanna about 10,000 years ago.

A recent archaeological survey of ancient sites in southern Iraq found that looting has come to an end and damage from neglect is now the chief threat to many ancient Mesopotamian sites.

Sensor-equipped elephant seals are effective—and cheaper—alternatives to satellites and ships that can't study ice-covered oceans in winter, a new study says.

The chilis develop piquant chemicals to frustrate the harmful fungus long enough for birds and other animals to disperse the peppers' seeds, a new study finds.

Two mummified fetuses found in King Tut's tomb will undergo DNA testing to determine their relation to the famous pharaoh, Egyptian officials announced today.

The Congolese government announced yesterday it has appointed Emmanuel de Merode to run Virunga National Park—the site of last year's brutal gorilla killings and a recent deadly attack on conservation workers.

For the first time, researchers clearly document cuttlefish using complex color camouflage to elude predators at night.

Newly identified types of Antarctic killer whales feed off of ice shelves that may soon be gone, due to global warming.

Unprecedented footage captures a great white shark off the coast of South Africa breaching the water's surface to snare a seal during nocturnal hunting.

Disemboweled and decorated with scarlet paint and metal eye plates, the centuries-old man was found with slingshots, a figurine of himself, and other artifacts. A National Geographic News exclusive.

Dog-eating catfish and other rare species are drawing fishers to a sport lake outside Bangkok -- and some conservationists couldn't be happier. With video.

Rare mountain gorillas in Africa's Virunga region face a constant stream of human threats, but their cousins just a few miles north are relatively safe, as long as they don't outgrow their home.

Wig curlers, a pipe with Masonic carvings, and a half million other artifacts were also part of the discovery, which will help scholars fill in large gaps in the story of the first U.S. president's early life.