History ❯Earth History

Geological Time Scale

Mass Extinction Events Cretaceous Period Permian Period Devonian Period Triassic Period Magnetic Pole Reversals Miocene Epoch Cryogenian Events Cryogenian Period Ancient Earth Archean Eon Supercontinents Planetary Formation Gondwana Formation of Earth Paleoarchean Era Mass Extinctions Archaean Eon

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

Dual samarium-neodymium dating methods have established a minimum crystallization age of 4.16 billion years for the belt’s rocks.

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