When DARPA put money behind the controversial EmDrive in 2018, it looked like a big gamble. Many physicists had dismissed the revolutionary space drive as simply fake science. Now its EmDrive project ...

In major international tests, the physics-defying EmDrive has failed to produce the amount of thrust proponents were expecting. In fact, in one test at Germany’s Dresden University, it didn’t produce ...

Proponents of the EmDrive are still trying to demonstrate it can work, but evidence remains thin on the ground despite a new report. The problem with the design -- the fact that it violates the laws ...