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

One of the 1990s' brightest tech stars may be headed to prison amid a shocking fall from grace that includes everything from alleged anti-gravity tech to elder abuse allegations to claims of a massive ...

An engineer who once worked with NASA says he has built a machine that can push against gravity without burning a drop of ...

For more than a century, gravity has been the immovable backdrop of modern physics, a force that can be described and ...