The Archimedes screw, an ancient Greek invention for lifting water. Learn about its origins, how it works, and its modern ...

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

Lolan Naicker's invention has won a prestigious award and could help sustain human life on the moon and Mars by drawing out ...

Ninety years ago today, on March 28, 1935, Robert H. Goddard launched the first gyroscopically-stabilized liquid-fueled ...