A pair of orbiting black holes millions of times the Sun’s mass perform a hypnotic pas de deux in a new NASA visualization. The movie traces how the black holes distort and redirect light emanating ...

The speed of light is a fundamental constant, approximately 299,792,458 meters per second. It's the same for all observers and hasn't changed measurably over billions of years. Nothing can travel ...

Every year, our planet makes one full trip around the Sun. And while that means we’re already moving at breakneck speeds, we’re about to ramp that speed up. Like, way up! Let’s turn Earth into a ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

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 ...

There's nothing faster than the speed of light. So, what would happen if a human managed to move at this universal speed limit? When you purchase through links on our site, we may earn an affiliate ...

The first direct visualization of the shape of a photon has been created. These particles of light are impossible to photograph, but physicists at the University of Birmingham have now calculated ...

The idea was first hypothesized about 70 years ago. In a bizarre repercussion of Albert Einstein's Special Theory of Relativity, objects traveling close to the speed of light appear flipped over. The ...

The biggest issue you'd face is reaching that speed in the first place. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In science fiction, ...