Scientists experimentally confirmed what we’ve known to be true for half a century—darkness can “travel” faster than light.

Red light therapy has gone from dermatology clinics to the wellness world, promising everything from younger-looking skin and thicker hair to weight loss, pain relief, better sleep, and even improved ...

In 1845, Michael Faraday discovered what’s known today as the Faraday Effect—which describes how light and electromagnetism are related. A new study revealed that the magnetic component of light ...

(Aitor Diago/Moment/Getty Images) For the first time, physicists have observed that 'holes' in light can move faster than the ...

A new holographic storage technique uses light in three dimensions to dramatically increase how much data can be stored. It encodes information throughout a material using amplitude, phase, and ...