Most everyone recognizes frogs. Frogs, like salamanders and newts, are amphibians. Unlike salamanders, they have made a major evolutionary detour from the body plan of their ancient ancestors. The ...

In a national park of southern China, a color-changing creature with yellowy eyes sat in the damp grass and called out. The ...

Critical Toxicity Studies calls for the scientifically rigorous study of toxicants that handles all bodies and identities with care.

Generally, the new species has a “grass green” hue with “some irregularly indigo blue patch(es),” the study said. Male frogs typically have “yolk yellow” bellies, while females have ...