History ❯ Earth History

Geological Time Scale

Cretaceous Period Permian Period Mesozoic Era Mass Extinction Events Planetary Formation Paleoarchean Era Triassic Period Ancient Earth Cryogenian Period Archaean Eon

Fossil Trove in China Pushes Complex Animal Origins Into the Ediacaran

The cache narrows the rocks-versus-clocks gap by revealing Cambrian-style groups millions of years earlier.

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

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

Ancient Mantle Rocks Reveal Potassium-40 Deficit Linked to Surviving Proto‑Earth

Earth’s Oldest Intact Rocks Confirmed at 4.16 Billion Years in Quebec

Ancient River-Carved Terrain Discovered Beneath East Antarctic Ice

Ancient Microbial Traces Discovered in Desert Marble and Limestone

Nearby Supernovae Linked to Two Ancient Mass Extinctions on Earth

Ancient Volcanic Eruptions Linked to Earth's First Oxygen Surges

World’s Oldest Impact Crater Discovered in Australia

Ancient Amphibians Thrived After Earth's Deadliest Extinction

Ancient Glaciers Shaped Earth's Oceans, Boosting Evolution of Complex Life

Zanclean Megaflood Refilled Mediterranean Sea in Record-Shattering Event 5 Million Years Ago

Earth's Magnetic North Pole Rapidly Shifts Toward Russia

Earliest Evidence of Coral-Algae Symbiosis Discovered in 385-Million-Year-Old Fossils

Ancient Asteroid Impact Catalyzed Early Life on Earth

Mega El Niños Linked to Earth's Largest Mass Extinction