An illustration from the paper, depicting Ninumbeehan digging a burrow in a riverbed for the dry season and then re-emerging when the monsoon returned. Higher res tif file available on request at ...

Scientists have uncovered the fossilized skull of a 270-million-year-old ancient amphibian ancestor in the collection of the Smithsonian's National Museum of Natural History. The team of researchers ...

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Scientists on Thursday described the fossilized skull of a creature called Kermitops gratus that lived in Texas about 270 million years ago. The fossil was collected in 1984 near Lake Kemp in Texas.

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have discovered evidence of a prehistoric species of amphibian that could be the precursor to modern species − and they ...

A fragment of upper jaw fossil from the Early Cretaceous is among the oldest examples of a toothless amphibian in the fossil record Chihiro Kai The arid valleys of Wyoming’s Cloverly Formation are ...

A fossil found by a 12-year-old in Beijing has filled a major gap in Asia’s Middle Jurassic record, marking the first confirmed amphibian footprint from the period. The findings were published last ...

Two hundred and thirty million years ago, in what's now Wyoming, the seasons were dramatic. Torrential rain would pelt the region for months on end, and when the mega-monsoon ended, the region became ...

Arjan Mann (right), a Smithsonian postdoctoral paleontologist and former Peter Buck Fellow, and Calvin So (left), a doctoral student at George Washington University, holding the fossil skull of ...