Around 600 million years ago, Earth was home to strange, soft-bodied sea creatures, but a powerful asteroid impact in what is ...

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit ...

Ichnology is the study of tracks and traces and, since 2008, the Cape South Coast Ichnology Project has documented more than ...

The findings come from a study of bone tools discovered at Olduvai Gorge in Tanzania and dated to around 1.5 million years ago. The discovery joins other finds — such as a 1.4-million-year-old ...

They first appeared around 240 million to 230 million years ago in the Triassic Period, and went extinct around 66 million years ago, at the end of the Cretaceous Period, when a massive asteroid ...

Scientists report that a fossil of a partial face from a early human ancestor in Spain is between 1.1 and 1.4 million years ...

The bone tools date from more than a million years before our species, Homo sapiens, arose around 300,000 years ago.

Elsa Panciroli with the Elgol dinosaur fossil. This dinosaur is thought to have lived around 166 million years ago. (Image credit: Neil Hanna) Researchers rediscovered the fragmented fossil in ...

These giant flying squirrels once glided through the landscape of Southern Appalachia around 4.7 million years ago, coexisting with rhinos, mastodons, and red pandas. "It is amazing to imagine ...