Evolution & Origins of Life

What Is a Current Hypothesis About Galapagos Finch Speciation?

How Rare Is a Black Coyote? The Science of Melanism

When Did the Nautilus First Appear?

What Is the Oldest Animal Fossil Ever Found?

What Is the Significance of the Olduvai Gorge in East Africa?

Where Was Yutyrannus Found? The Discovery Site Explained

Who Was the First Person to Be Alive on Earth?

What Did Mice Evolve From? Tracing Their Ancestry

Are Cheetahs Domesticated? The Truth About Taming

What Do Fungi and Arthropods Have in Common?

Is a Puffin a Penguin? The Key Differences Explained

When Did Sauropods Live? From Triassic to Cretaceous

What Are Some Vestigial Structures in Humans?

Why Does Hawaii Have Such a High Rate of Endemic Species?

Is a Brachiosaurus Real? The Evidence Explained

Can Birds Eat Spicy Food? The Science Explained

What Dinosaurs Were Alive When the Meteor Hit?

Do Dolphins Have Limbs? The Evolution of Their Body

How Different Are Modern Cats From African Wild Cats?

How Did Kangaroos Get to Australia?