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Mammoth tooth reveals beast once walked around Austin, Texas

Looted skeleton could be among the oldest in the Americas

Giant, dinosaur-eating crocodile discovered in Texas

Ancient humans ate cantaloupe-size eggs from 500-pound birds

Partial skeleton reveals primate ancestors dwelled in trees

99-million-year-old bird found preserved in amber stuns scientists

Scientists find oldest known specimens of the human species

Discovery of horned 'triceratops-style' dinosaur in North America could rewrite Earth's history

Sea-dwelling mega-reptile the size of a Bus ruled the ancient oceans 130 million years ago, scientists discover

Scientists may have discovered the oldest evidence of life on land