Light is the fastest thing in the universe, so Heriot-Watt University researchers built a mega-fast camera to film it moving through the air. Share on Facebook (opens in a new window) Share on X ...

Black holes are one of the universe’s most enigmatic phenomena. They defy our understanding of physics, challenging our perceptions of reality with their extraordinary characteristics. As astronomers ...

The vastness of space can be hard to wrap your head around. Say you are an ordinary beam of light blazing through space at a speed of 186,000 miles per second. It would take you 8 minutes and 20 ...

The great Galileo Galilei (1564-1642) tried to measure the velocity of light by means of lantern signals between mountain tops. Naturally he failed. Light travels about 186,270 miles (more than seven ...

Can you imagine the idea of freezing light, stopping its photons in space as if time itself seemingly stood still? You are looking at it. German scientists have actually frozen the fastest thing in ...

Black holes are weird. They’re one of the few things in the universe that manage to be terrifying, fascinating, and invisible all at the same time. But here’s the real head-scratcher: if no light can ...