When we think of lead poisoning, most of us imagine modern human-made pollution, paint, old pipes, or exhaust fumes.

Lemurs first arrived on the island of Madagascar 53.2 million years ago, probably hitching a ride on a vegetation raft from ...

Climate change is rapidly altering our environment—and posing major challenges for many animal species. Whether they can ...

Prioritizing which animals and plants to help is driven mostly by whether we like them or not. Some experts say that may not ...