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

The massive gravity-defying boulder is Entrada Sandstone, and the throne it sits on is the Dewey Bridge Mudstone. According ...

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 ...