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

Gravity is a key component to human life on Earth - but can this powerful force be defied? One space company has shared how they've created a propellantless propulsion drive that defies the laws of ...

Studies show the ability of shuttle commanders to land the spacecraft also suffers because of the effects of re-entering gravity. The longer a person has been in orbit, the more incapacitating the ...