Look inside a science fiction computer, and you’ll probably see tubes and cubes that emit light. Of course, it’s for effect, ...

Imagine this: a tiny needle hurtling toward Earth at the speed of light. At first glance, it might sound like no big deal. After all, it’s just a needle. But in reality, a projectile moving this fast ...

Neil deGrasse Tyson explores why the speed of light is a fundamental limit of the universe, shaping causality, time, and ...

The speed of light, and the latitude of the ancient Egyptian Great Pyramid of Giza, are the same figure, but what does this actually mean?

I am always drawn to the Large Hadron Collider when considering questions like this. The LHC has a diameter of about 8.5 kilometres. When operating, it uses the equivalent of about a third of the ...

Scientists observed a supermassive black hole in galaxy NGC 3783 releasing wind at 20% of the speed of light after a sudden X-ray flare. New data from XRISM and XMM-Newton explains how magnetic activi ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we dive into fascinating ideas from around the universe. You can sign up for Lost in Space-Time here. If you’ve taken a ...