Scientists have found footprints older than dinosaurs
A substrate composed of microbes may have preserved a series of 255-million-year-old burrows made in a sandy South African tidal flat by a clumsy amphibian, says a new study. The…
A substrate composed of microbes may have preserved a series of 255-million-year-old burrows made in a sandy South African tidal flat by a clumsy amphibian, says a new study. The…
Did All Dinosaurs Lay Eggs? Exploring the Reproduction Methods of Dinosaurs When the first fossilized dinosaur eggshell fragments were discovered and described around 1860, most people—including most scientists—had no idea…