Researchers may have discovered the first example of a frog that pollinates flowering plants. By Sofia Quaglia On warm evenings near Rio de Janeiro, you might find milk fruit trees covered in brownish ...

They’re nutritious, affordable, and always in demand. Learn how staffers prepare and deliver thousands of bugs each week to the animals living at the Smithsonian’s National Zoo and Conservation ...

Their staccato voices can make a muskeg bog as loud as a city street, though most are so small they could sit in a coffee cup without scraping their noses. They surprise hikers, who notice them ...