Sperm whales search the dark ocean with extremely short, focused pulses of sound. Measurements place the apparent source level of their strongest usual clicks above 230 decibels under the reference ...

How loud can sound really get? The human ear can safely hear up to around 120 decibels. Beyond that, it starts to hurt. At 150 decibels, eardrums can rupture. But history has witnessed sounds far ...

Live concerts, fireworks and roaring stadium crowds can reach dangerously high volumes — loud enough to cause permanent hearing loss. But what was the loudest sound ever recorded on Earth? The answer ...