A 161 million-year-old fossil, linked to a line of extinct frog-like amphibians, is the oldest tadpole ever found. By Asher Elbein The metamorphosis of a frog from baby to adult is one of nature’s ...

Holding the baby pixie frog beside a full-grown adult makes the difference between life stages easy to understand. The baby is small enough to sit comfortably on a hand, while the adult has a broad ...

The Indian Purple frog skeleton undergoes dramatic transformation as tadpoles clinging to underwater rocks become adults digging their way underground, according to a new study. The Indian Purple frog ...