Over generations, a small North American frog has learned how to survive in a world that's getting increasingly saltier. But ...

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, ...

A look at hunting for bullfrogs, then catching, cleaning, and cooking them. The video follows the full process in a simple outdoor setting. What would you want to see next?

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