Evolution & Origins of Life

When Did the American Cheetah Go Extinct?

Are Scorpions Related to Crabs? An Evolutionary Look

Was the Therizinosaurus Blind? A Look at Its Senses

What Did Seals Evolve From? Tracing Their Land Ancestors

What Is Molecular Evolution and How Does It Work?

Can Pigeons and Doves Mate and Produce Offspring?

Can Snakes Have Babies Without Mating?

Can Sunlight Change the Distribution of Traits in a Population?

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

How Is the Fur Color Trait Influenced by Natural Selection?

Which Were the Earliest Oxygen-Producing Life-Forms?