Sound waves 'fossilized' in the arrangements of galaxies across the Universe support the theory that the Milky Way galaxy floats adrift in a giant void in space. If this is the case, we could be ...

Earth, its cosmic home the Milky Way, and even the very local region of universe around us could be situated within a void of low density compared to the rest of the universe. If so, that would solve ...

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 ...

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than in neighboring regions of the universe, astronomers say. Their theory is a ...

Do you ever find yourself pondering the volume of the sun? On the surface, it seems like a rather odd thing to think about because space doesn’t produce any sound waves that we can hear. However, ...