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 ...

An artist depicts the tadpole and frog individuals of the Notobatrachus degiustoi species. The oldest known tadpole fossil, which belongs to this species, was found in the Patagonia region of ...

(CNN) — Scientists have newly described three extraordinary species of tree toad that leapfrog over the egg-to-tadpole stage. The females give birth on land to dozens of toadlets, each measuring just ...

For years, we've been asking, "Which came first: the chicken or the egg?" Maybe what we should have been asking is, "Which came first: the frog or... The oldest tadpole ever found is 161 million years ...

BUENOS AIRES (Reuters) - Scientists in Argentina have discovered excellently preserved fossil remains of the oldest-known tadpole, the larval stage of a large frog species that lived alongside ...

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.

Scientists have discovered three toad species that give birth alive. These species skip the tadpole stage entirely, a rare trait. The finding changes understanding of amphibian reproductive evolution ...