An aeronautics professor says videos clearly show a sonic boom. But the U.S. Air Force has denied that any plane went ...

The sound, often described as an explosion or thunderclap, can be heard over a large area because it moves with the plane, ...

Sonic booms are still heard in the U.S. from the nation's military aircraft. In 2021, a sonic boom from F-15 fighter jets caused widespread concern that there was an earthquake on the Oregon coast.

A sonic boom is created when an object, like a rocket or plane, is traveling faster than the speed of sound. Sonic booms can sound as loud as an explosion or, more quietly, like a rumble of thunder.

Sonic booms are still heard in the U.S. from the nation’s military aircraft. In 2021, a sonic boom caused widespread concern that there was an earthquake on the Oregon coast.