A new study of North Atlantic right whales worldwide could help avoid harmful, even fatal, exposure to commercial fishing and vessel strikes.

Great apes, our closest living relatives, are knocking on extinction's door. New conservation methods may be needed to ensure their survival.

Genetic rescue is an under-used strategy for the conservation of endangered and threatened animals in the US, report researchers.

A population of endangered red-crowned parrots is thriving in urban areas of South Texas, research finds.

New research clarifies why some endangered green turtles in Brazil develop a tumor disease associated with a herpesvirus.

The distribution of rare butterflies in Eastern Denmark has plummeted by 72% in just 26 years, researchers report.

Lesions may reflect decreases in southern resident killer whales’ ability to fight disease, according to new research.

A GPS wildlife tracker that uses an animal's own movements solves a problem faced by biologists seeking to track wild animals for years: dead batteries.

Researchers are using genetic information from western chimpanzees in Guinea to evaluate the effects of mining on the endangered species.

Scientists have sequenced the genome of the Aldabra giant tortoise, one of only two remaining giant tortoise species in the world.