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

Scientists have long posited that the earliest water animals to transition to land had amphibious tadpole features, going ...

After a two week expedition off the coast of Brazil, an international team of researchers discovered 31 new marine species, ...

All you ever needed to know about poison dart frogs, from why they're poisonous to where they live and what they eat ...

Of the roughly 18,000 new species discovered each year, a few have a certain star quality. In 2008, when an orange-haired, ...

True blue is one of nature's rarest tricks, and the animals that pull it off range from tiny ocean drifters that steal venom ...

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

Behind a newly purchased house, rescuers discovered an abandoned pet store that had been left with animals still trapped ...

The sentiment that we know more about space than we do about the depths of our oceans has been debated for many years. Though it’s not completely true, it cannot be disputed that both the depths of ...

For a frog no bigger than a fingernail, survival depends on how it spends every bit of energy. New research from the University of Florida shows that young frogs prioritize growing quickly even when ...