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.

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.