Ancient lizard with teeth like butcher knives 're-calibrates the whole shebang' of reptile evolution

Ancient Sawfish Help to Illuminate Our Teeth's Scaly Origins

Lost for Centuries: Scientists Discover Texts From an Ancient Astronomical Catalog

Mars had an ancient asteroid impact like the one that killed the dinosaurs, scientists discover — The findings mean NASA may have stumbled upon signs of alien life on its first trip to Mars in 1976