Scientists have discovered the oldest-known fossil of a tadpole, which lived among the Jurassic dinosaurs 160 million years ...

The research has shed light on the emergence of large dinosaurs and their geographic spread, as well as the role of ...

The new fossil, found in Argentina, surpasses the previous ancient record holder by about ... system that modern-day tadpoles use to sift food particles from water. That means the amphibians ...