A University of California, Riverside study reports that cells in the earliest stages of human development could be ...

Frogs are a critical part of the food web and keep ecosystems healthy. They're also some of nature's weirdest and most ...

Poison frogs appear to have built their chemical defenses gradually: related frogs store low to moderate levels of ...

Learn more about the interesting history of African clawed frogs with health and science, and how they became a harmful ...

A U.S. judge on Tuesday ruled that a customs officer improperly canceled the visa of a Russian-born scientist and Harvard University researcher charged with smuggling frog embryos in the U.S. The ...