Alongside a pristine stream in the foothills of the Ecuadorian Andes, a team of researchers has found a graceful glass frog that's new to science. Unlike its close relatives, this amphibian has ...

The glass frog Sachatamia orejuela. Source: Rebecca Brunner, used with permission. Communication is vital for frogs. Most male frogs call during mating season, advertising their quality and location ...

Glass frogs have the rare ability to turn on and off their nearly transparent appearance, researchers report Thursday in the journal Science. Ernesto Benavides/Getty Images Now you see them, now you ...

Now you see them, now you don’t. Some frogs found in South and Central America have the rare ability to turn on and off their nearly transparent appearance, researchers report Thursday in the journal ...