The Sierra Nevada Yellow-legged frogs were almost wiped out of Yosemite National Park. But these scientists mounted a ...

Scientists are seeing signs of resistance to the infections that have been wiping out the world's amphibian populations - and ...

“Despite being among the smallest frogs globally (the second smallest amphibian species), it exhibits skeletal traits typical of larger frogs,” scientists wrote. “During its evolution, it underwent ...

(Mariana Chuliver via AP) This image provided by Mariana Chuliver shows paleontologist Matías Motta at the fossil site “Estancia La Matilde” in Patagonia, Argentina showing an adult specimen of the ...

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 ...

It is smaller than several ant species. While it sounds like a cricket, it’s not an insect: It’s an extremely small frog. The recently discovered animal is one of the smallest known ...

As part of that update, the group also published the first Global Tree Assessment, a comprehensive worldwide study involving more than 1,000 tree experts. Scientists assessed more than 80 percent ...

More than a third of all tree species worldwide face extinction, threatening ecosystems, plants, animals and economies around the world, experts warned Monday. In all, 38% of trees are at risk ...