Earth History

Geological Time Scale Mass Extinctions Geological Events Cretaceous Period Mesozoic Era Paleozoic Era Mass Extinction Events Geological History Climate History Triassic Period

Study Identifies Warm, Low‑Oxygen Seas as the Cause of the Permian–Triassic Marine Collapse

By linking Siberian Traps greenhouse forcing to ocean deoxygenation, researchers say the same ocean stressors could threaten modern marine life.

450‑Million‑Year‑Old Crinoid Shows Rare Soft Tissue Preservation

Mantle Waves Raised East Antarctica and Allowed a Lasting Ice Sheet to Form

NBC Premieres 'Surviving Earth,' an Eight‑Part CGI Natural‑History Series

Researchers Confirm Metre‑Long Fossil as World's Largest Scorpion

Antarctic Ice Became Far More Sensitive After Mid‑Pleistocene Shift

Fungal Surges Found Around Dinosaur‑Era Extinction in North America

Stromatolites Found in South Korean Impact Crater Point to Post‑Impact ‘Oxygen Oases’

Upright ‘Polystrate’ Fossils Renew Debate Over Flood Claims

New Paleolatitude 3.0 Tool Lets You Trace Any Location’s Latitude Back 320 Million Years

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

Reanalysis of Lost WA Fossils Splits Iconic Triassic Amphibian Into Two Species

Scientists Recover Record Sub-Ice Sediment Core Beneath West Antarctica

Reanalysis of 1969 UK Fossil Reveals New Triassic Crocodylomorph, Galahadosuchus Jonesi

Wyoming Boy, 11, Uncovers 48-Million-Year-Old Turtle Fossil Now Under Study

Scientists Describe Tyrannoroter Heberti, a 307-Million-Year-Old Plant-Chewing Tetrapod

Huayuan Biota From China Unveils Deep-Water Cambrian Life After Early Mass Extinction

Helium-3 Dating Reveals Rapid Post-Impact Evolution in Ocean Plankton

Ancient Salt Yields First Direct Mesoproterozoic CO2, Indicating a Mild 1.4-Billion-Year Climate

China’s Jinlin Crater Confirmed as Largest Known Holocene Impact