President Vucic denies that an acoustic weapon was used on a huge crowd of protesters in Belgrade and the US-made Long Range Acoustic Device (LRAD) is illegal in Serbia.

Did you hear a loud boom or see a bright flash in the sky ... TV The loud boom isn't common. "These are tiny particles. There's absolutely no chance that they would create a sonic ...

Another SpaceX launch blazed through the sky late Thursday night ... San Luis Obispo and Ventura counties would hear one or more sonic booms during the launch, although that was ultimately ...