In eastern Brazil's Atlantic Forest, poisonous "pumpkin toadlets" use their vivid colors to warn off predators. But these tiny frogs also broadcast a secret visual signal: They glow bright blue under ...

Scientists found two orange animals mating in a forest of Rio de Janeiro and discovered a new species, a study said. Photo shows a representative area of Brazil. Photo from PROJETO CAFÉ GATO-MOURISCO ...

The leap of a frog is a quintessential evolutionary feat. The critter’s girthy gams thrust from behind to springboard the body up and out; a pair of acrobatic arms stretch forward to seamlessly break ...

Add Yahoo as a preferred source to see more of our stories on Google. The pumpkin toadlet, however, has been dressing like a pumpkin since before recorded history. These fluorescent orange frogs are ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

Pumpkin toadlets are poisonous frogs with brilliant orange skin that are small enough to fit on a thumbnail – and researchers have uncovered a new species of these vibrant amphibians. Ivan Nunes at ...

Being small has its advantages - and some limitations. One organism that intimately knows the pros and cons of being mini is the pumpkin toadlet. As an adult, the animal reaches merely the size of a ...