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Fossils

Pterosaurs Birds Amber Triassic Period Fossil Analysis Fossil Discovery Reptiles Arthropods Extinct Species Archaeopteryx

Study Links Tiny T. Rex Arms to Evolution of Massive Robust Skulls

Researchers say a new comparative analysis suggests head‑first predation using powerful jaws drove forelimb loss across several theropod lineages.

New Fossil Koala Species Identified in Western Australia

Study Shows Smaller Tyrannosaur Scavenged a Larger One

New Fossils Reveal Toothed Platypus With Strong Bite in Ancient Australian Lakes

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

Famed ‘Oldest Octopus’ Reclassified as Nautiloid After High-Energy X-Ray Study

Mummified Permian Reptile Reveals Oldest Rib-Powered Breathing System

Late Ediacaran Fossils in China Push Back Origins of Major Animal Groups

Chinese Fossil Trove Pushes Complex Animal Origins Into the Ediacaran

Oldest Chelicerate Fossil Dates to 500 Million Years Ago

500-Million-Year-Old Chelicerate Pushes Back Spider Lineage by 20 Million Years

Egyptian Ape Fossil Challenges East Africa as Cradle of Modern Apes

Egypt Jaw Fossil Recasts Great Ape Origins

New Species Crocodylus lucivenator, Likely Predator of 'Lucy,' Described From Ethiopia

New Triassic Croc-Line Reptile Grew From Four-Legged Juvenile to Bipedal Adult

Tiny Argentine Dinosaur Fossil Reshapes Alvarezsaur Evolution and Global Spread

T. Rex Likely Ran Toe-First, Study Finds, Raising Speed Estimates by About 20%

125-Million-Year-Old Bird 'Gorgonavis' Unveiled in Cuenca Museum Display

New Spinosaurus From Niger Recasts Predator as Shallow-Water Wader

Study Finds Tyrannosaur Tooth Embedded in Edmontosaurus Skull