Scientists in Australia have discovered a tree frog with bright blue skin instead of the usual green color, new pictures show. The blue pigmentation is due to a rare genetic mutation, experts say.

PROVIDENCE, R.I. [Brown University] — One day, amid his decades-long study of how animals move, including how frogs jump, Brown University biologist Thomas Roberts found himself and colleague Richard ...

We're tempted to, simply because just about everyone is inclined to ribbit, or at least attempt a croak, when thinking about the frogverse. And while these little leapers are certainly quite cute, ...