Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

A mysterious ring of light is thought to surround every black hole, and Alex Lupsasca wants to glimpse one for the first time. The tendril-thin halo, called a photon ring, has the power to reveal ...

Scientists have unveiled a groundbreaking material capable of bending light in such a way that it renders objects invisible. This technological marvel draws upon advanced concepts in metamaterials, ...

The idea was first hypothesized about 70 years ago. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In a bizarre repercussion of Albert ...