Add Yahoo as a preferred source to see more of our stories on Google. A fascinating fossil discovery in remote South Australia sheds light on an important chapter in the history of life on Earth: the ...

A groundbreaking fossil discovery in remote South Australia sheds light on one of evolution’s greatest mysteries: the origins of Ecdysozoa, a superphylum of molting animals including insects, ...

The Precambrian eon is vast, almost unimaginably so. In fact, before some fossil discoveries were made late in the 20th century, it was considered unknowable -- evolution's dark ages. The Precambrian ...

The Proterozoic is a Precambrian eon of geologic time extending from about 2.5 billion to 541 million years ago, bounded by the Archean–Proterozoic and Proterozoic–Phanerozoic transitions. It is ...