The show, narrated by Tom Hanks, offers glimpses of critters large and small. And capturing that footage is no small feat.

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

As Earth approaches warmer levels experienced earlier in its geologic history, it may be bad news for human survival.

Researchers present an alternative to the long-held “hard steps” theory to explain the evolution of complex life, suggesting ...

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

Grave warnings have been issued about the dangers of creating life forms using mirror-image molecules. How worried should we be?

Perhaps you’d also like to believe that humans are more complex than a worm that is used precisely for its simplicity. For ...

Purple Earth Hypothesis suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for ...

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 ...