350 Million-Year-Old Clues Unearthed, Did Reptiles Evolve Way Earlier Than We Thought?
For over a century, the fossil record pinned the rise of reptiles to around 320 million years ago, during the late Carboniferous period. But a serendipitous discovery in the rugged outcrops of southeastern Australia has thrown that timeline into chaos. A set of clawed footprints, preserved in a slab of rock no larger than a ...