Some harlequin frogs have lost their poison—and their ability to defend themselves. Scientists are on the case.

There was a moment in 2008 when Michael Mahony realised the ambitious project he'd signed up for years earlier might actually work. Looking under a microscope, a few tiny brown cells had begun to ...

Anyone walking through the Tarumã neighborhood in Curitiba (the capital of the state of Paraná, Brazil) today may find it difficult to imagine the area as it was in the past. Between the buildings, ...

Add Yahoo as a preferred source to see more of our stories on Google. Nearly 600 California red-legged frog tadpoles that were raised at the Aquarium of the Pacific in Long Beach were released into ...

Critically endangered Panamanian Golden Frogs recently hatched after decades to extinction. ZooTampa uses the Species ...

Decade-long attempts to save a species of frog from extinction have ended in a joyful release at a "secret" location recently in a national park bordering two Australian states. Associate Professor ...

OSLO: Two frog species feared extinct have been rediscovered in Colombia, a boost for scientists battling to save rare amphibians threatened by a deadly disease. “These finds show there is still hope.

Curitiba, Brazil used to be forests, wetlands, fields and streams before it was developed over the last half-century. Gilberto Jacob via Unsplash As new species are discovered around the world, others ...

Despite a deadly disease which has nearly wiped out the critically endangered Alpine Tree Frog from the Snowy Mountains, a new study has found the species is fighting back by breeding more when ...

The southern corroboree frog is an iconic species in Australia. The tiny frog is known for the striking yellow and black markings that cover its body, which warn predators of its poisonous skin. The ...