Evolution & Origins of Life

How Long Have Sharks Been Around For?

Are Manatees Related to Walruses? The Evolutionary Truth

How Did Feathers Evolve? From Dinosaurs to Flight

Do Dinosaurs Have Hair or Feathers?

What Dinosaurs Lived in Massachusetts?

How Big Were Mosquitoes in the Jurassic Period?

10 Crazy Extinct Animals With Bizarre Features

Are Humans Still Evolving?

Do Octopuses Have Shells? The Evolution of a Soft Body

What Is Cephalization? The Evolution of a Head

What Animals Today Are Related to Dinosaurs?

How Is the Fur Color Trait Influenced by Natural Selection?

Which Were the Earliest Oxygen-Producing Life-Forms?

Why Is Evolution Called a Scientific Theory?

What Are the Different Types of Reproductive Isolation?

Are Bats Related to Dogs? A Look at Their Family Tree

How Did Chloroplasts End Up in Producers’ Cells?

What Dinosaurs Lived in Florida? The Fossil Evidence

What Is Dinosaur Poop Called? The Science of Coprolites

What Birds Push Babies Out of the Nest?