This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American A few years ago, things looked pretty grim ...

Newly discovered evidence of Australia’s earliest species of tree frog challenges what we know about when Australian and South American frogs parted ways on the evolutionary tree. Previously, ...

American bullfrog DNA has turned up not far from the only known habitat of Pithecopus rusticus — a small, critically endangered tree frog that lives in Brazil. These neon green, orange and black frogs ...

MEXICO CITY — A miner in the state of Chiapas found a tiny tree frog that has been preserved in amber for 25 million years, a researcher said. If authenticated, the preserved frog would be the first ...