Physics is the study of the underlying laws and mechanisms explaining how the universe works. Most of what we do in daily life is based on a principle or law of physics—dealing with forces, motion, ...

For the first time, a group of physicists has written down a warp drive concept that does not ask the universe for impossible ingredients. Instead of exotic negative energy, their design uses ordinary ...

Zero-point energy sits at a strange crossroads between hard physics and science fiction, promising limitless power from the fabric of space itself. If it could be tapped in any practical way, it would ...

We walk here, we walk there, we walk everywhere. Maybe you’re headed to work or to lunch in a busy city. You’re expending energy, and the exercise is good for you. But what if, on top of that, we ...