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Khankhuuluu mongoliensis Identified as Key Forerunner of T. Rex

The discovery fills a critical gap in the tyrannosaur lineage by showing how smaller Asian species evolved into North American apex predators

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

Study Confirms Teeth Evolved from Sensory Armor of Ancient Fish

Chicago Archaeopteryx Reveals New Insights into Early Bird Flight

New Study Reveals Complex Hand Adaptations in Early Hominins

506-Million-Year-Old Predator Mosura fentoni Unveiled from Canada's Burgess Shale

Ancient Bone Analysis Reveals Echidnas’ Aquatic Ancestry

113-Million-Year-Old Hell Ant Fossil Identified as Oldest Known Ant

New Study Reveals Monkeys' Vocal Membranes Enable Unique 'Ultra-Yodels'

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

New Two-Fingered Dinosaur Species Discovered in Mongolia

New Research Reveals Megalodon Was Sleek and Could Reach 80 Feet

62-Million-Year-Old Skeleton Reveals Close Evolutionary Link to Humans

New Study Reveals Megalodon Was Larger and More Slender Than Previously Thought

Fossil of 69-Million-Year-Old Bird Redefines Evolutionary History

183-Million-Year-Old Plesiosaur Fossil Reveals Unique Skin Features

69-Million-Year-Old Fossil in Antarctica Identified as Earliest Known Modern Bird

Vestigial Ear Muscles Reactivate During Intense Listening Tasks