Every time NASA or the European Space Agency releases an audio clip from deep space, millions of listeners assume they are hearing actual sound captured by a microphone floating in the void. They are ...

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 ...

How far can sound travel through space, since it’s so empty? Is there an echo in space? – Jasmine, age 14, Everson, Washington In space, no one can hear you scream. You may have heard this saying.

At the start of my career, I used to do acoustic testing in an anechoic chamber where sound is not reflected as it gets absorbed. But the quietness of these chambers always got me thinking of how ...

You’ve probably heard astronauts talking to mission control while they perform operations in space. In these recordings, you can hear the back-and-forth chatter, along with the astronaut’s breathing ...