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Historical Geology

Archean Eon Geological Time Scale Hadean Eon Ancient Rocks Devonian Period Geological Record Triassic and Jurassic Periods Earth's Formation Jurassic Period Ancient Climate Eocene Period Hadean Rocks Fossil Discoveries Mass Extinction Events Eruptive Phases Earth-Moon System Magnetic Records in Rocks Ediacaran Period Supercontinents Geological Timeline Planetary Formation Jurassic and Cretaceous Periods Ancient Sea-Level Changes

Earth’s Solid Shell Reoriented Rapidly Several Times Over 320 Million Years

A new sea‑level proxy backed by satellite data shows episodic true polar wander driven by mass shifts with the potential to reshape coastlines, climate belts and the geodynamo.

Metre-Long Scorpion Praearcturus Gigas Confirmed From Devonian Fossils

Oldest Direct Evidence Shows Earth's Plates Were Moving 3.5 Billion Years Ago

Deep-Mantle Hot Structures Linked to Long-Lived Patterns in Earth’s Magnetic Field

The Moon Is Drifting Farther From Earth by 3.8 Centimeters a Year

Mount Rainier Swarm Eases but Shows No Signs of Eruption

Canadian Greenstone Belt Rocks Dated to 4.16 Billion Years, Possibly Earth’s Oldest