I tested dropping solid steel balls, and the sound they made was like a mini sonic boom! The impact was wild — here’s what ...

The first dreams of supersonic air travel were crushed by annoyed Oklahoma City residents in the 1960s. Decades later, it ...

Quake, sonic boom or something extraterrestrial? Experts are so far unable to determine the source of a short, loud sound ...

Faint booms from space help track incoming debris. But the path matters more than you think. Earth gains a little mass each ...

Supersonic aircraft have been criticized by environmentalists for burning more fuel per passenger than comparable subsonic ...

Sightings have come from Georgia, South Carolina, North Carolina and Tennessee. The National Weather Service station in ...