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

At more than 160 million years old, a recently discovered amphibian fossil has set a new record for the earliest known ...

This advertisement has not loaded yet, but your article continues below. The more than 100 carriers that fly to Israel in peacetime have been winnowed down to fewer than a dozen, giving Israeli ...

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