Two tree frogs share an intimate moment. The eye-popping yellow of the male only emerges in mating season. Martin J. Whiting When seeking out potential mates, frogs, like humans, will often alter ...

Kissing a frog may not conjure a prince, but mucus from one colorful Indian variety could one day lead to new ways to fight off the flu, the Verge reports. A study published in the journal Immunity ...