How can we measure time more than 500 million years into the past? A study recently published in Nature Communications by ...

A wave of new research is forcing paleontologists to reconsider a basic question about life on Earth: when did the first mass ...

Fossils of a tiny sea creature that lived 525 million years ago have preserved something paleontologists rarely find: a brain ...

Now imagine opening it and finding that more than a billion years of pages are missing. That mystery is called the Great ...

Wrinkle structures are small ridges and pits in rock, often made by microbial mats. They’re best known from Precambrian and Cambrian strata, where they serve as important evidence of early life, and ...