A 56 million-year-old fossil bone helps explain how this (mostly) flightless family of birds spread to so many different ...

According to bird experts Kenn and Kimberly Kaufman, much about bird flying is dependent on the species, season, and what else the bird is doing. Songbirds that feed on insects vary in the elevation ...

Birds today make flight look effortless, but its evolution was complex. Scientists are still trying to discover exactly how birds took to the skies, and today, a new perspective has emerged by ...