A squeaky frog that became an internet sensation is added to a global list of species at risk of extinction.

Learn how the latest IUCN Red List update links deep-sea mining, diamond projects, and invasive predators to extinction risks ...

A brilliantly orange frog small enough to sit on your fingernail spent years hiding from scientists in plain sight deep in ...

Australia's green and golden bell frog has been hiding a dazzling secret in plain sight. Scientists discovered the skin on ...

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

Congratulations, you’ve experienced iridescence – a dazzling optical phenomenon that can be seen in many kinds of wildlife.

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. In the Cretaceous forests of ancient Madagascar, one frog ...