A groundbreaking study suggests that the famous Cambrian explosion—the dramatic burst of diverse animal life—might have actually started millions of years earlier than we thought. By analyzing ancient ...

Earth's earliest life forms developed ways to survive the harmful effects of arsenic to cope with dramatic changes in their ...

Pokémon has some wild lore, and although Mewtwo considers itself a perfect life form, it's been supplanted by the creators of ...

Paleontologists have identified a new ancient reptile from the Solnhofen limestone slabs, thanks to a chance discovery. A ...

For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more ...

A new study of ancient fossil trails pushes the origins of complex life deeper into Earth’s history, before the Cambrian Period began.

Found in rock samples retrieved in Australia more than 60 years ago, the microfossils dating to the Lower Ordovician Period, approximately 480 million years ago, fill an approximately 25-million-year ...

Archaeologists have long thought that monumental architecture — large, human-built structures that emphasize visibility — ...

Rather than a constant upward trajectory of evolution, it’s been billions of years of boom-and-bust cycles – first an explosion of life, and then a mass extinction of all but the most hardy hangers-on ...

Yet some regions are far enough from tectonic plate boundaries to contain rocks that have remained unchanged for billions of ...