The speed of light is one of the most fundamental constants in physics and an enduring source of fascination for scientists and curious minds alike. At approximately 299,792 kilometres per second in a ...

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

When I was a teenager, I was—shockingly, I know—deeply nerdy. At a science-fiction convention, I bought a button that read, “186,282 miles/second: Not just a good idea, it’s the law.” It was poking ...

Bobby Moore explains how fast the speed of light really travels.

These points of "complete darkness" inside light waves could be moving faster than light. The post Scientists Say They’ve ...

Scientists confirm optical phase singularities move faster than light without breaking Einstein's rules, opening paths to ...

Here is a thought experiment for you: imagine shining a powerful laser at the moon, the beam cutting through space until it lands on its dusty grey surface. Now flick the laser so the spot of light ...

A photon emitted from a star a billion light-years away arrives at a telescope having experienced no time whatsoever. Not ...