For more than a century, gravity has been the immovable backdrop of modern physics, a force that can be described and ...

An engineer who once worked with NASA says he has built a machine that can push against gravity without burning a drop of ...

A physicist has proposed a bold experiment that could allow gravitational waves to be manipulated using laser light. By ...

If humanity ever wants to escape the solar system, we’re going to need a faster-than-light engine. Enter: the warp drive. While such a drive pushes the limits of known physics, a new study ponders ...

The universe is humming with gravitational radiation — a very low-frequency rumble that rhythmically stretches and compresses spacetime and the matter embedded in it. That is the conclusion of several ...