Five new animal species that camouflage themselves as excrement or bark reveal some of what still remains hidden in the world ...

With copper-blue blood prized by modern medicine and a body plan older than dinosaurs, the horseshoe crab reveals how ancient ...

From bold foxes to gregarious birds, animals’ personalities are increasingly being seen as crucial to conservation efforts.

A tiger walks the same worn groove along the edge of its exhibit like a broken record. A parrot methodically plucks out its ...