The Smithsonian’s National Air and Space Museum will open five new galleries, the Lockheed Martin IMAX Theater and the museum’s redesigned entrance on Jefferson Drive along the National Mall Monday, ...

Tumansky developed increasingly powerful versions of this engine. The 60,800 N (13,668 lb) thrust R-11 F2S-300 final production model was also manufactured under license by both India and China. Some ...

Although her flight is not considered “official,” this day in history we remember Blanche Stuart Scott, the first American woman to take a solo hop into the air.