Over generations, a small North American frog has learned how to survive in a world that's getting increasingly saltier. But ...

One unique aspect of coquí frogs is that they bypass the free-swimming tadpole stage found in most frog species. After female ...

Some harlequin frogs have lost their poison—and their ability to defend themselves. Scientists are on the case.

The Eiffinger's tree frog (Kurixalus eiffingeri), found on Ishigaki and Iriomote islands in Japan, has a unique biological adaptation: its tadpoles do not defecate during their early developmental ...

A FROG the size of a staple has just been discovered in Madagascar. The amphibian is one of the tiniest known to man. The adult male Mini mum frog is smaller than a fingernail Credit: Dr Andolalao ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Miniaturized frogs form a fascinating but poorly understood group of ...

A team of paleontologists led by Virginia Tech's Michelle Stocker and Sterling Nesbitt of the Department of Geosciences have identified fossil fragments of what are thought to be the oldest known ...