Sounds can travel through water, solids, air or anything that has particles for the sound vibrations to bounce off. That's why there's no sound in space. For sound to travel it needs air molecules ...

Sound spreads both forwards and backward in a space, meaning someone standing ... placed three waveguides on the circulator.

In many ways it’s a good thing sound doesn’t travel through space: if it did, the Sun would be blaring out at around 100 decibels 24/7. That’s the same volume as standing next to a speaker ...

When converted to audio, the chorus waves resembled the sound of birds chirping at dawn. Richard Horne, a space weather expert with the British Antarctic Survey, called the findings “a ...