Birds are a barometer of the health of water sources, habitats, and air quality. A notable example is the use of canaries in coal mines during the 20th century to detect unsafe carbon monoxide levels ...

Add Yahoo as a preferred source to see more of our stories on Google. A southern cassowary stands on a beach at Etty Bay in Queensland, Australia. These endangered birds can live up to 50 years.

Birds are some of nature’s most beautiful creatures — but a few of our feathered friends are truly bizarre — like these 25 ...

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Over the past half century, researchers have established that birds evolved from dinosaurs: specifically, the theropods, the ...

A clever tropical fish has flipped how biologists are thinking about memory, brains and visual recognition in the animal ...

Most people think of moths as small insects fluttering across porch lights, but some species greatly challenge that image. Inhabiting tropical forests and remote regions of the world are moths with ...

January 21 is National Squirrel Appreciation Day! Discover how these common backyard critters are far more than pests.

The 67,800-year-old hand stencil looks like a claw—and provides new clues about early human cognition and the migration to Australia.

Many gardeners say that vines are the best plants yet, to give their homes an air of tropical living by using them to cover ...

Wondering about the weirdest animals in the world? We've listed the Top 31 here — including the axolotl, aye-aye, blobfish, ...