Evolution & Origins of Life

When Did Saber Tooth Tigers Go Extinct?

How Big Were Titanoboas? Size, Weight, and Fossil Evidence

How Ancient Hunters Changed Human Evolution

When Did Alligators Evolve? Tracing Their Ancient Origins

What Can Fossils Tell Us About the Past?

Are Aliens Real? The Evidence for Extraterrestrial Life

Are Humans Prey or Predators? An Evolutionary Look

What Was the First Cat on Earth?

How the Platypus Got Its 10 Sex Chromosomes

Is Volvox Multicellular or Unicellular?