Science ❯ History

Earth History

Cretaceous Period Geological Time Scale Mesozoic Era Cambrian Period Evolution of Life Devonian Period Early Earth Conditions Fossil Record Mass Extinctions Prebiotic Chemistry Cambrian Explosion Early Life

Giant Cretaceous Octopuses May Have Ruled the Seas, Science Study Finds

Digital reconstructions of Cretaceous beaks reveal finned octopuses that crushed hard prey.

Late Ediacaran Fossils in China Push Back Origins of Major Animal Groups

Chinese Fossil Trove Pushes Complex Animal Origins Into the Ediacaran

Oldest Chelicerate Fossil Dates to 500 Million Years Ago

New Chemical Fossils Strengthen Case That Sponges Were Earth’s Earliest Animals

Grinding Tomography Reveals 40 New Squid Species in 100-Million-Year-Old Rock