Fossil Of 'Mother Of All Lizards' Reveals Reptile Group Squamate Survived Permian-Triassic Mass Extinction The 240-year-old reptile Megachirella wachtleri is the mother of lizards. The reptile, which lived when the dinosaurs just emerged, was the direct ancestor of about 10,000 species alive today. by Allan Adamson
Science Tiny microbes nearly wiped out life on Earth: It's the end of the world as we know it by James Maynard