How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the ...

The speed of light isn’t just a number — it’s the foundation of reality. But new research into how light behaves across space ...

The most distant galaxies in this deep field image from the James Webb Space Telescope appear as small, faint dots—and are receding from us faster than the speed of light due to cosmic expansion. If ...

According to calculations from IFLScience's resident astronomer, Dr Alfredo Carpineti, using data from NASA's Eyes on the ...

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 marshmallow meteorite hurtling straight toward Earth? How would this sweet space object begin its descent toward our planet ...

Researchers have found a way to mimic lightspeed when photographing an object. The method involves stitching together many thin “slices” of light reflecting off the object. Photography—itself a ...

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 ...

Researchers at Tsinghua University developed the Optical Feature Extraction Engine (OFE2), an optical engine that processes ...

McLaren Formula 1 team principal Andrea Stella is confident Oscar Piastri can brush off a difficult United States Grand Prix ...