"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the ...

Learn more about the time period that took place 488 to 443 million years ago. 3 min read During the Ordovician period, part of the Paleozoic era, a rich variety of marine life flourished in the ...

This time period took place 359 to 299 million years ago. 3 min read The Carboniferous period, part of the late Paleozoic era, takes its name from large underground coal deposits that date to it.

Geologic Time is a crucial concept to understanding the history of the earth—including the evolution of life. Many different representations of the timeline have been created, and many approaches ...

Marrellomorphs are one of the rarest arthropod groups in the world. The discovery of a new fossil sheds light on this enigmatic creature.