Getting to Proxima Centauri b will take a lot of new technologies, but there are increasingly exciting reasons to do so. Both public and private efforts have started seriously looking at ways to make ...

It’s not quite seeing through walls, but scientists are working to engineer light beams so that they can pass through an opaque medium without scattering, according to a new paper. When you shine ...

Tractor beams have hit the big time. A newly constructed device generates a beam of concentrated sound that, for the first time, exerts a continuous, perceptible tug on objects large enough to see.