All the fundamental forces are thought to be carried by a particle, but a new mathematical model suggests gravity may be a striking exception. Building on a decades-old idea, researchers have ...

Discovering a machine that could somehow produce thrust without releasing propellant would be a game-changer for human space travel ... to counteract Earth’s gravity, such a claim still needs ...

But the space community has been down this road before ... However, until independent labs can replicate the result, the idea of a real gravity-defying propulsion system remains unproven.

Related: How a quantum sensor on the ISS could revolutionize space exploration Quantum sensors, like the Quantum Gravity Gradiometer Pathfinder (QGGPf) instrument developed by JPL, private ...