289-Million-Year-Old Reptile Fossil Reveals Origins of Mammalian Breathing

A groundbreaking paleontological discovery in the United States is providing scientists with a rare glimpse into the deep history of vertebrate biology. Researchers have uncovered the mummified remains of a small reptile in a cave in Oklahoma, a find that is now helping to unlock the origins of mammalian breathing and the evolution of the … Read more

Ancient Crocodile Relative Walked on Two Legs as Adult, Fossil Reveals

Ancient Crocodile Relative Walked on Two Legs as an Adult, Fossil Discovery Reveals A remarkable fossil discovery is rewriting our understanding of early crocodile evolution. Scientists have unearthed evidence that Sonselasuchus cedrus, an ancient relative of modern crocodiles that lived over 215 million years ago during the Triassic period, underwent a dramatic shift in locomotion. … Read more