Learn about the comet impact hypothesis that may explain why North America lost most of its megafauna along with the Clovis ...

One of the most intriguing and intricate mysteries in paleontology is the disappearance of North America's giant mammals, or ...

New fossil research shows how human impacts, particularly through the rise of agriculture and livestock, have disrupted ...

New fossil research shows that humans have reshaped animal communities as extensively as the great extinctions of the Ice Age ...

What happened to all the megafauna? From moas to mammoths, many large animals went extinct between 50 and 10,000 years ago. Learning why could provide crucial evidence about prehistoric ecosystems and ...

Evidence mounting that 13,000 years ago, a comet exploded over the Earth with devastating consequences. Now there is strong ...

New research suggests that a swarm of debris from an exploding comet left its mark by triggering the Younger Dryas, a period ...

Scientists knew almost nothing about how ebony trees, used for guitars and piano keys, grow. A new study reveals the secret ...

Australia is known for its unusual animal life, from koalas to kangaroos. But once upon a time, the Australian landscape had even weirder fauna, like Palorchestes azael, a marsupial with immense claws ...

Preface : Lost in near time -- Big -- "This sudden dying out" -- The world before us -- The hominin diaspora -- Explaining near time extinctions : first attempts -- Paul Martin and the planet of doom ...

One of the biggest headlines of the week: A Texas-based genetics company claims to have brought the dire wolf back from extinction — or, essentially, from the dead. Earlier this week, the Dallas-based ...