They look like devils and hence are called pez diablo in Spanish, but these demonic objects are dried and mutilated versions of living rays known as guitarfish.

The public has until May 19 to weigh in on a Trump administration plan that would leave many endangered species at much greater risk.

New research uses firefly flashing patterns to identify species and what they’re communicating.

The number of insect species is mind-boggling – and they are a critical part of the environment.

A global convention to control wildlife trade across 184 countries has encouraged conservation action but hasn’t entirely stopped illegal sales.

Will protecting monarch butterflies under the Endangered Species Act improve their chance of surviving? Not necessarily, 2 entomologists caution.

Colliding with ships is a top cause of whale deaths. A new study maps the areas of highest risk, showing where proven strategies such as speed limits and new shipping routes can reduce the toll.

There’s a widespread argument that ‘poachers’ are responsible for the scarcity of wild ginseng. But a scholar who has interviewed diggers explains that most of them are good stewards.