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Ordovician Mass Extinction Set the Stage for the Rise of Jawed Fishes

A new global fossil database tracks how survivors in isolated hotspots diversified before spreading worldwide.

Fossil Brain Scans Point to Rapid Origin of Pterosaur Flight

Fossil Endocasts Show Pterosaurs Evolved Flight-Ready Brains Independently of Birds

Rare C31 Chemical Fossils Strengthen Case That Sponges Were Among Earth’s First Animals

Jurassic 'False Snake' From Skye Described as New Species, Complicating Snake Origins

Trace Fossils Push Back Cambrian Explosion by 15 Million Years

Triassic Reptiles Migrated 10,000 Miles Through Inhospitable Tropics

Landmark Study Chronicles 35-Million-Year Evolution and Extinction of Sloths

Study Confirms Teeth Evolved from Sensory Armor of Ancient Fish