Scientists have found the oldest fossil of a giant tadpole, which moved more than 160 million years ago. The recent fossil discovery in Argentina predates the former ancient record holder by roughly ...

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 a few ...

The Jacksonville Zoo and Botanical Gardens is celebrating a record-breaking year in its mission to save a critically endangered toad. This year, the zoo flew 24,485 Puerto Rican crested toad tadpoles ...

Scientists in Australia have genetically modified invasive cane toad eggs to create “Peter Pan” tadpoles that never grow up—they don’t ever metamorphose into adults. Cane toad tadpoles already have an ...

Frog and toad pupils come in quite the array, from slits to circles. But overall, there are seven main shapes of these animals’ peepholes, researchers report in the Aug. 25 Proceedings of the Royal ...

Science, founded by Thomas A. Edison in 1880 and published by AAAS, today ranks as the world's largest circulation general science journal. Published 51 times a year, Science is renowned for its ...