The tiny tracks left in the ancient dirt are the oldest traces of reptiles

The tiny tracks left in the ancient dirt are the oldest traces of reptiles

Sign up at CNN’s Wonder Theory Science Ballout. Browse the universe with news about charming discoveries, scientific achievements and more; Separately, a peculiar trace found in Australia’s 356 million years of rock panels indicates that reptile relatives appeared from 35 to 40 million years earlier than they thought before. The tracks also push the origin … Read more