Mariah Carey has released her annual video officially announcing the start of the Christmas season. This year, the singer dressed as Morticia Addams for the festive clip, which begins in eery ...

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. Paleontologists made the ...

The discovery in Patagonia shows that frogs have had a tadpole stage for at least 160 million years. Here’s how the ancient frogs compare to those of today. Tadpoles and adults of the extinct ...

A 161 million-year-old fossil, linked to a line of extinct frog-like amphibians, is the oldest tadpole ever found. By Asher Elbein The metamorphosis of a frog from baby to adult is one of nature ...

“The paleontologists found hundreds of adult specimens of the basal ghost frog, the ancestor of frogs and toads,” Mariana Chuliver, a biologist from Universidad Maimónides in Buenos ...

The study found that, overall, amphibians and reptiles are Canada's most evolutionarily distinct species, with Apalone spinifera -- better known as the spiny softshell turtle -- being the most ...

Despite being legal, trade puts pressure on wild species via direct collection, introduced pathogens, and invasive species. Smaller species-rich vertebrates, such as reptiles, fish, and amphibians, ...