Geese honk loudly and point their bills toward the sky when they're ready to start the migration. Here's how they know it's time, how they navigate and how they conserve energy on the grueling trip.
Did feathers evolve in the common ancestor of pterosaurs and dinosaurs? Not everyone is convinced
A simple chemical reaction turns the red pigment of beets into a new, nontoxic blue dye.
Finding a mate is of course essential to produce the next generation. And feathers and fur play key roles in making sure that happens.
Male Birds of Paradise have patches of super-black plumage that absorb 99.95 percent of light. New research identified their feathers' microscopic structures that make them look so very dark.
Crested pigeons make a rapid trilling sound when they take flight that can be used to warn others of danger. But what is it that makes the sound?
Ordinary grey bird feathers placed under X-ray fluorescence reveal beautiful patterns of elements like zinc, telling a story of feather growth and the environments the birds have experienced.
For the first time, feathers, bone and skin of the earliest birds have been found, trapped in amber.
Bird feathers can tell us a lot about their owners and the places they visit.