Emily Boyle

How Old Are Clovis Points? The Science of Dating Them

What Is a Protosome? Key Developmental Features

How Did James Hutton Contribute to the Theory of Evolution?

When Did Vascular Plants Evolve and Change the World?

When Did the First Photosynthesis Evolve?

What Caused the Late Devonian Extinction?

How Long Have Crabs Existed? An Evolutionary History

Where Did the First Seed Come From? The Evolution of Plants

How Long Have Trees Existed? An Evolutionary History

How Did Ground Sloths Go Extinct? A Scientific Look

When Did Sponges Evolve? Fossil and Molecular Evidence

Why Were Prokaryotes the First Cells on Earth?

How Did the First Cell Form on Early Earth?

Does the Anus Form First? Two Paths of Animal Development

How Long Have Trees Been Around? An Evolutionary History

The Cambrian Climate and the Explosion of Life

What Caused the Eocene-Oligocene Extinction Event?

David Raup: The Paleontologist Who Redefined Evolution

Blastopore: Its Fundamental Role in Animal Development

Middle Pleistocene: The Age of Ice, Megafauna, and Humans