If you hear a loud "boom" in central Illinois this week, it could be a frost quake, a weather phenomenon that happens when ...

Learn what frost quakes are, why they happen, and why they sound like sudden booms.

NORFOLK, Va. (AP) — People living in and around the nation’s capital experienced a rare, if startling, sound that has a rich history in American aviation and possibly a muted future: A sonic boom. The ...