Sound waves 'fossilized' in the arrangements of galaxies across the Universe support the theory that the Milky Way galaxy ...

Learn about the theory suggesting that the Earth sits inside of a void, which may explain why the universe appears to expand at an accelerating rate.

A stellar concert is playing out in the night sky, and scientists are learning how to listen to it like never before. Deep inside stars, sound waves move through hot gas, creating vibrations.

Yet water doesn’t mute sound, but amplifies it. Sound waves travel 4.3 times faster underwater than they do in the air and they retain their energy for much longer.

The sound waves interact with curved surfaces to focus the audio. Now, scientists are looking to precisely control sound, perhaps one day resulting in a world without earbuds, ...