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 ...

From Martian winds to Saturn’s aurora, how sounds in space add to our understanding of the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

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Since the 1950s, probes sent into space have been sending back data that reveal eerie sounds from the vastness of the galaxy. Michelle Starr is CNET's science editor, and she hopes to get you as ...