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 ...

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 ...

A frog that turns itself mostly transparent while sleeping may hold clues for understanding blood clotting in humans. Scientists have long known about the glass frog but did not understand how it made ...

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, ...

Scientists have figured out the trick behind one of the animal kingdom's best disappearing acts. Further research could lead to lifesaving medicine for humans. Glass frogs activate their invisibility ...

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.

Cape Town - Did you know: The Glass Frog has a completely transparent belly which allows us to see its insides from underneath! Eeeewww!!! But this tiny little Glass Frog, recently found in the rain ...