Symbiosis is the long-term relationship between two different species that can sometimes be beneficial to both parties. These ...

Bone claws, oxygen-absorbing “hair,” and hands-on frog dads. Meet the hairy frog (or wolverine frog), one of nature’s strangest amphibians.

Scientists in northeastern India rediscovered a strange frog last seen almost 150 years ago. The species was long thought extinct. The amphibian, called Frankixalus jerdonii, lives in trees up to ...