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 ...

Nature never runs out of surprises. Exploring Sudest Island off of Papua New Guinea, researchers discovered a new species of frog that drastically changes its appearance from juvenile to adulthood, a ...

Dr. Alexander Schreiber studies change—the metamorphosis of amphibians and flatfish. His St. Lawrence University biology lab teems with frogs... May 18, 2012 — Dr. Alexander Schreiber studies ...

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 ...

Thyroid hormone receptor alpha plays an important role in hind limb development in frogs, scientists have found. With new gene mutation technology, researchers were able to successfully mutate the ...