A new study from the Smithsonian Tropical Research Institute (STRI) shows that red-eyed treefrog embryos hatch early when exposed to high ammonia levels — an environmental cue that it’s too hot and ...

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 ...

This video shows a red-eyed tree frog resting on a moss-covered branch inside a tropical rainforest in Costa Rica. The frog’s ...