Wood frogs — Lithobates sylvaticus, also known as Rana sylvatica — live farther north than any other amphibian, even beyond ...

Frogs that freeze themselves solid in the winter and thaw in the spring inspired methods to extend the storage time for transplantable organs.

The animal kingdom is full of fascinating tricks for enduring sub-freezing temperatures. Birds, for example, often just take ...

When the cold weather comes, I bundle up in a sweater and explore the snow. But my frog friends are never around then. In fact, I’ve never seen a frog in a sweater. I asked my friend Erica Crespi why ...

With an eye patch like a bandit and bodies no bigger than 3 inches, wood frogs are among the fascinating critters that spend the winter sheltered in backyard and woodland leaf litter. If you find one ...

First, as the temperature drops below 32 degrees, ice crystals start to form just beneath the frog's skin. The normally pliant and slimy amphibian becomes for lack of a better word slushy. Then, if ...