A mining boom in Mongolia is threatening to destroy the country's essential watersheds and is forcing nomadic herders to abandon their land and traditional way of life, environmentalists warn.

The skull of a 375-million-year-old walking fish reveals new clues to how our fish ancestors evolved into land dwellers, a new study says.

Hundreds of fruit species flourish in the Amazon region, but relatively few--like antioxidant-rich acai, a wild palm fruit --ever reach international markets. Experts say fruits are a vital part of the Amazon's wealth and may provide important alternatives to timber.

Once obscure Amazon fruits like açaí are riding health claims to supermarket success. Could a scaly palm fruit with three times the vitamin A of carrots be the rain forest's next popular export?

The chimpanzee subspecies known for resolving conflict with sex has been observed hunting and killing other primates, according to new research that challenges the bonobo's peacenik reputation.

Economies built on fishing shrinking stocks of shark are putting some Baja fishers in a precarious place.

A newly discovered predatory dinosaur with a birdlike breathing system may help scientists better understand the evolution of avian lungs.

A newly discovered meat-eating dinosaur with a birdlike breathing system may help scientists better understand how bird lungs evolved.

A rough-skinned frog species thought to have gone extinct more than 20 years ago may have been found alive in a Honduran rain forest.

The bones of 72 mountain gorillas, including many of the animals studied by the murdered primatologist, are being prepared for forensic analysis.

A Galápagos Island tortoise thought to be extinct since the 1800s may not be gone after all, researchers said.

The intertwining songs of tropical wrens serve as weapons and help males and females find each other in dense forests, a new study says.

For years coffee farmers the world over have been battling the destructive coffee berry borer with insecticides. But a simple solution may already exist in their own backyards: birds.

Photos of giant whale sharks snapped by vacationing scuba divers and snorkelers are helping scientists track the elusive marine creatures across the oceans thanks to a star-mapping method used by NASA.

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