Scientists have long debated how we perceive the absence of sound waves hitting our ears. DrPixel via Getty Images From the roar of a crowd to the quiet of a library, sound and silence might seem like ...

What's that sound? It may sound like a very loud buzzing or droning that lasts all day and into the night. But before you call the police to report what you think could be a siren, whine or roar, ...

Our universe is filled with floating nebulae, spinning planets and black holes. But if we closed our eyes and listened, what would these celestial objects sound like? Would we hear a faint whoosh? Or ...

CHICAGO (CBS) -- The periodical cicada broods are coming – and while harmless, they're famously quite noisy and loud. The noise will be hard to miss. But it won't all even be the same noise – as there ...