When you think of frogs, the color green probably comes to mind. So too do the variety of bright floral colors that you sometimes see in tree frogs. On the other hand, researchers have recently ...

WASHINGTON (AP) — 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 ...

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 ...

Frogs are one of the most diverse animal groups, with a wide range of sizes and colors. Scientists have identified up to 5,000 frog species and believe there are many more waiting to be discovered.

The see-through amphibians have an amazing strategy for hiding while asleep—one that could advance our understanding of blood clotting. The organs and developing eggs of a female glass frog, ...

Glass frogs evolved one of the strangest camouflage systems ever discovered, becoming nearly invisible by hiding most of their red blood cells inside a reflective crystal-covered liver. Resting ...

Meet Nymphargus dajomesae, a member of the glass frog family and a resident of one of the last amphibian paradises on Earth. Where the Andean mountains meet the biodiverse Amazon rainforest, a unique ...