A frog on the edge of a pond and a toad crossing a garden path can appear remarkably similar at first glance. Both belong to the same amphibian order, Anura, and both begin life in water before ...

A new study about tadpoles that turn into cannibals may sound like fodder for nature trivia, but it carries a much deeper message about evolution—and even about ourselves. The research, published in ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Paleontologists working in Patagonia have unearthed the oldest-known ...

A fragment of upper jaw fossil from the Early Cretaceous is among the oldest examples of a toothless amphibian in the fossil record Chihiro Kai The arid valleys of Wyoming’s Cloverly Formation are ...