Scientists reveal a never-before-seen species of leopard-size apex predator that lived in lush forest 30 million years ago.

Highly valued economically, ecologically and culturally, the white oak (Quercus alba) is a keystone forest species and is one ...

When it rains in the park, the males of a tiny amphibious species emerge from the rocky caves, searching for an elevated log or ledge. They make their way to the top, then let out a call. The sound ...

Animals are not just inhabitants of the natural world -- they are its architects. A new study has revealed how hundreds of species shape the landscapes we depend on, from vast termite mounds visible ...