Space is full of mysterious sounds, some of which even have explanations. But that's far from the case when it comes to this ...

In space, no one can hear you scream. You may have heard this saying. It’s the tagline from the famous 1979 science fiction movie “Alien.” It’s a scary thought, but is it true? The simple answer is ...

Sound needs a medium (solid, liquid, or gas) to travel. Space is a vacuum, lacking the matter to carry sound waves. No sound in space means no echoes. While a near-perfect vacuum, some sounds can be ...

In 2003, during his maiden spaceflight, China’s first astronaut,Yang Liwei, encountered a strange and unsettling phenomenon: a mysterious knocking sound. As he navigated the vast emptiness of space, ...

This article first appeared in Issue 9 of our digital magazine CURIOUS. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content. The answer, as always, is ...

That now classic tagline (from Alien, one of the greatest science-fiction horror movies ever made) hinges on a big assumption that most of us broadly make: space is empty. And it is—mostly. But there ...

Finally, someone can hear you scream in space. Sound waves can’t travel through the vacuum of space, but a pair of physicists in Finland have found a sneaky way to transmit sound across the airless ...

Expertise from Forbes Councils members, operated under license. Opinions expressed are those of the author. At the start of my career, I used to do acoustic testing in an anechoic chamber where sound ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. How far can sound travel through space, since it ...