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 ...

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 ...

An engineer who once worked with NASA says he has built a machine that can push against gravity without burning a drop of fuel, a claim that, if true, would upend how rockets, satellites, and even ...

Sending a mission to the solar gravitational lens (SGL) is the most effective way of actually directly imaging a potentially ...

The field of advanced propulsion and gravity manipulation has long captivated the curiosity of scientists, engineers, and technology enthusiasts around the globe. While progress in this unconventional ...

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 ...

When economist Roger Babson was a boy, his oldest sister drowned. His grandson would later die in a similar manner. As an adult, Babson would use the considerable wealth he made predicting the 1929 ...