Call it a grand-phibian. Scientists have unearthed a fossil of the world’s oldest tadpole in Argentina — a shock finding that could alter our understanding of amphibian evolution, experts say.

All right. It's time now for our science news roundup from Short Wave, NPR's science podcast. I'm joined by the show's dynamic duo, Regina Barber and Emily Kwong. Hey, ladies. REGINA BARBER, BYLINE: ...

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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Paleontologists don’t always get what they are digging for. In ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Gabriel Lío While searching for dinosaur fossils in Argentina, paleontologists made an ...

NEW YORK — Scientists have discovered the oldest-known fossil of a giant tadpole that wriggled around over 160 million years ago. The new fossil, found in Argentina, surpasses the previous ancient ...