Scientists have now discovered the oldest ancestor for all the Australian tree frogs, with distant links to the tree frogs of South America.

A remarkable 100-million-year-old frog fossil discovered in northwest China is providing scientists with a rare glimpse into the reproductive behavior of prehistoric amphibians. The fossilized ...

A 161 million-year-old fossil, linked to a line of extinct frog-like amphibians, is the oldest tadpole ever found.

The frog, which went from initial discovery in 1972 to its eventual extinction in 1983, is famous for the unique way it gives birth.

LOS ANGELES (AP) — The U.S. Geological Survey says a population of the nearly extinct mountain yellow-legged frog has been found in Southern California's San Jacinto Wilderness.Biologists from ...

The construction of a road near Cambridgeshire revealed thousands of frog remains from a 46-foot-long ditch at an ancient Iron Age settlement.

For more than a century, two mysterious tree frog specimens collected by a British naturalist in 1870 and housed at the Natural History Museum in London were assumed to be part of a vanished ...

Prehistoric creature — with ‘armor’-like skin — accidentally discovered. See new species Researchers were looking for long-necked dinosaurs when they discovered something completely new.

Nearly 600 California red-legged frog tadpoles that were raised at the Aquarium of the Pacific in Long Beach were released into streams in the Santa Monica Mountains, marking a hopeful step in ...