Some feathered dinosaurs may have briefly taken to the skies—only to give it up later. By studying rare fossils with preserved feathers, researchers uncovered a surprising clue hidden in molting ...

Filoplumes may be tiny, but these hairlike feathers enable nonstop flights that span thousands of miles. Filoplumes may be tiny, but these hairlike feathers enable nonstop flights that span thousands ...

Ever since the first humans saw birds gracefully soaring through the sky above their heads, we have been asking two questions: how do they do that, and how can we learn to do that? Centuries of ...