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This Ancient Crab Had Unusually Huge Eyes

Unraveling How an Extinct Mollusk Got Its Strange Shell

Prints Long Thought to Be Bear Tracks May Have Been Made by Human Ancestor

This Dinosaur Found in Chile Had a Battle Ax for a Tail

This Dinosaur Found in Chile Had a Battle Ax for a Tail

Why Was This Ancient Tusk 150 Miles From Land, 3,000 Feet Deep?

These Oddly Named Worms May Have Been the First Hermits

Antarctica Was Once a Land of Fire and Not Ice

How Did Elephants and Walruses Get Their Tusks? It’s a Long Story.

Dinosaurs May Have Been Socializing Nearly 200 Million Years Ago

Fearsome Dinosaur That Stalked Australia Was a Timid Plant Eater

Ancient-DNA Researchers Set Ethical Guidelines for Their Work

Ancient Footprints Push Back Date of Human Arrival in the Americas

A New Company With a Wild Mission: Bring Back the Woolly Mammoth

‘Spaceship-Shaped’ Fossil Reveals Hungry Predator of Ancient Oceans

Fossils Seized in Police Raid Demystify a Prehistoric Flying Reptile

A Shifting Climate Gave Humans Many Opportunities to Leave Africa

T. Rex Was Fearsome but May Have Been a Picky Eater

T. Rex Was Fearsome but May Have Been a Picky Eater

This Brain Remained Intact in a 310 Million-Year-Old Fossil