Science ❯ History

Earth History

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

Simulations Show Moon Could Have Formed Intact in Hours After Giant Impact

The result comes from collision models that add temperature-dependent rock strength and offers a new way to test when and how the impact occurred.

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

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