- The Ediacaran Period: Earth’s First Large OrganismsEarth & Space
- Early Earth: From Planetary Genesis to the Dawn of LifeEarth & Space
- The Cooksonia Fossil: Earth’s First Pioneer Land PlantBotany
- When Did the First Eukaryote Evolve?Biology
- What is a Bilaterian and Why Are They Important?Zoology
- The Rise and Fall of Ordovician OrganismsEarth & Space
- The Cambrian Mass Extinction: What Happened?Earth & Space
- LUCA Common Ancestor: What Was It and Where Did It Live?Biology
- Embryonic Homology: What It Is and Why It MattersBiology
- George Cuvier: Founder of Paleontology & Comparative AnatomyZoology
- The Ida Fossil: A Primate Evolution StoryZoology
- Vertebrate Evolution: A Journey Through TimeZoology
- Wonderful Life: Stephen Jay Gould’s Theory of ContingencyZoology
- Primordial Earth: The Conditions That Led to LifeEarth & Space
- What Was the Cambrian Fauna? A Look at Early Animal LifeEarth & Space
- Did Life Start in the Ocean? Examining the EvidenceBiology
- Hydrothermal Vents: The Origin of Life on Earth?Earth & Space
- Ape Man Science: The Study of Early Human EvolutionBiology
- Lobopodian: Ancient Ancestor of Arthropods and WormsZoology
- Plants in the Ordovician Period: First Steps on LandBotany
- When Did Cyanobacteria First Appear on Earth?Earth & Space
- The Early Cretaceous Period: A World of ChangeEarth & Space
- The Evolution of the Giraffe and Its AdaptationsZoology
- How Old Are Stromatolites? Earth’s Earliest Known LifeEarth & Space
- When Did the First Crustaceans Appear?Aquatic
- The Pleistocene Animals and Why They DisappearedEarth & Space
- What Was Darwin’s Dilemma and How Did Science Solve It?Biology
- The Neoproterozoic Era and the Rise of Complex LifeEarth & Space
- What Was Plesiadapis and Why Was It Important?Mammals
- What Was the First Living Thing on Earth?Biology