Birds appear to possess substantial genetic variation in wing shape and size, allowing for rapid selection when environments change. Research in molecular biology has identified several genes ...

DETROIT – The Detroit Red Wings will take the ice tonight in the home finale against the Dallas Stars motivated by pride, not a potential playoff spot. They were eliminated from postseason ...

After WWII, new technologies allowed folding wings began to be studied again. The 1960s North American XB-70 Valkyrie was one of the few attempts to incorporate this type of design. Dark Footage ...