How does a thin-skinned, cold-blooded creature survive a below freezing Colorado winter without a fur coat or a ticket south?

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.

An amphibian has lived up to its name, swapping out its usual green coloring for bright blue, in the first-ever record of a magnificent tree frog with this appearance. It's stunned scientists, who ...

Wood frogs (Rana sylvatica) exhibit an extraordinary capacity for freeze tolerance, an adaptation that enables survival despite the conversion of up to 65–70% of their total body water into ...

Green and golden bell frogs used to be everywhere in Australia, until a deadly virus reduced their range by 90%. Then Anthony ...

"Unlike anything else on our tiny corner of the universe." Experts raise red flags on concerning issue caused by sightseers ...

For most people, Memorial Day marks the first day of summer. The official first day of summer is not observed until three weeks later, on June 20, but the three-day weekend gives people a chance to ...

During a recent lecture on evolution, I had to explain the differences between three different processes known as geographic, temporal and behavioral isolation. Geographic isolation is the easiest of ...