Certain species of wasps and frogs share a pain and inflammation peptide similar to one found in vertebrates to help defend against predators—a discovery that contributes to a shifting view of how ...

Scientists have discovered the oldest-known fossil of a tadpole, dating back approximately 161 million years to the Middle Jurassic period Scientists have discovered the oldest-known fossil of a ...

When a new species is discovered, it's tempting to imagine an adventure novel, said Chan Kin Onn of Michigan State University. "Most people have this image of an intrepid explorer braving an isolated ...

The development of hair was of central importance for the evolution of mammals and thus also of humans. However, the evolutionary origin of the genetic program of hair was previously unknown.

The green-and-black poison dart frog is native to Central America and the north-west part of South America The huge diversity of frogs we see today is mainly a consequence of the asteroid strike that ...

LOS ANGELES - Researchers at the Smithsonian's National Museum of Natural History have stumbled upon the fossilized skull of a 270-million-year-old amphibian forebear. As per the discovery published ...

Frogs have hopped about Earth since before the time of the dinosaurs, and it shows. Celebrated for their amphibious lifestyle and cacophonous choruses, the long arc of frogs’ evolution has yielded ...

In a rainforest, small animals survive by hiding. By blending in with their environment until danger passes, many unique ...