December begins with a full moon in Gemini on Dec. 4, igniting your 12th house of closure, dreams and all things behind the ...

Clyde Tombaugh, who lived from 1906 to 1997, identified the ninth planet on Feb. 18, 1930, from deep sky photographs he took at Lowell Observatory in Flagstaff. Tombaugh went on to start the astronomy ...

Machine Design distills the cutting-edge landscape of advanced manufacturing through the eyes of multidisciplinary engineers, covering technical insights on the foundational and emerging principles of ...