Science ❯ Geology

Earth History

Ice Ages Triassic Period Impact Craters Cryogenian Period Extinction Events Hadean Period Cenozoic Era Mass Extinctions Cretaceous Period Atmospheric Changes

Study Finds Early Life Used Molybdenum Billions of Years Before Oxygen Rise

The result broadens life-detection strategies by showing biology can thrive with trace metals in short supply.

First Confirmed Egg From a Mammal Ancestor Found in 250-Million-Year-Old Fossil

Simulations Show Mars Helps Shape Earth’s Ice‑Age Cycles

Study Confirms Asian Origins of T. rex Ancestors via Bering Land Bridge

Study Reveals Bacteria Used Oxygen Nearly 900 Million Years Before Earth's Great Oxidation Event

Study Reveals Mammals Transitioned to Ground-Based Living Before Dinosaur Extinction

Nearby Supernovae Linked to Two Ancient Mass Extinction Events

New Research Suggests Intelligent Life May Be Common in the Universe

Ancient Asteroid Impact Catalyzed Early Life on Earth