When researchers found a hummingbird with glittering gold feathers, they initially thought a new species had been discovered, but what they actually found was far more unusual. The bird — found in ...

The vulturine guinea fowl’s electric blue feathers are not pigments. Scientists reveal how microscopic structures manipulate ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. As far as birds go, the tiny, swift hummingbird is pretty in touch ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When researchers ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Hummingbirds are oddballs in the bird world. They’re the tiniest ...

Hummingbirds are some of the most brightly-colored things in the entire world. Their iridescent feathers reflect light in a way that other birds can't match, and scientists weren't sure what made ...