Some frogs have evolved features so strange that scientists struggle to explain them, and a few look less like amphibians ...

What if you had the power of invisibility, but it only works when you’re asleep? That might be useful for a surreptitious nap in public, but it still probably wouldn’t suit you as well as it does the ...

Camouflage takes many forms in the natural world. Some animals are born with skin or coats that blend in naturally with their environment. Some Old World lizards like the chameleon have an almost ...

Glass frogs are named for their translucent skin, which helps display their internal organs from underneath (you can even watch their hearts beat). Although there are more than 150 different glass ...

Add Yahoo as a preferred source to see more of our stories on Google. Frogs have long held a bad rap (at least among some people) for being slimy, even scary, critters, but that's not very fair to ...

These tiny Latin American tree dwellers are stellar fathers and masters at camouflage, recent research reveals. The eggs of a female sun glass frog (Hyalinobatrachium aureoguttatum) are visible ...

Top View of the Glass Frog (Centrolenidae). The species is native to the Central American Rainforest. © Lauren Suryanata/Shutterstock.com Glassfrogs are tree ...

Glass frogs do not live a life of modesty. With their semitransparent skin—green on the back, clear on the belly—the tree-dwelling, gummy-bear-size amphibians, which are native to the tropics of ...

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, ...