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.

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 ...

What if you could listen to music or a podcast without headphones or earbuds and without disturbing anyone around you? Or have a private conversation in public without other people hearing you? Newly ...