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

For decades, scientists have dismissed the idea of reactionless propulsion—the concept of generating thrust without expelling propellant—as a fantasy that defies the laws of physics. But Charles ...

It’s no surprise that the American winners include the Chevrolet Corvette ZR1’s 5.5-liter twin-turbocharged 5.5-liter V8, which is the most powerful all combustion powertrain currently sold by any ...

World’s largest electric propulsion pointing mechanism will enable Aerojet AEPS Thrusters on the Maxar-built Power and Propulsion Element (PPE) of NASA’s lunar space station. The Gateway space station ...

This technology offers a solution to the continuous accumulation of space debris, such as defunct satellites and spent rocket ...

Discovering a machine that could somehow produce thrust without releasing propellant would be a game-changer for human space travel. There’s just one problem—such a device would defy the laws of ...