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

There are moments in education when it feels as if we, as the “Wicked” song suggests, are all defying gravity. The weight is real: the responsibility for the futures of young people, the expectations ...

Zenith’s Defy Zero Gravity watch isn’t just a fancy name. It actually does defy gravity. Its patented escapement is akin to the tourbillon, which was designed to compensate for the effects of gravity ...