A SpaceX spacecraft has caused a sonic boom over California as it returned to Earth's atmosphere, and some on social media initially mistook the sound for an earthquake. One even thought a bomb ...

Earthquake reported in 2021 In August 2021, scientists attributed a loud boom and shaking felt by hundreds of residents in New Castle County to an explosion at the Aberdeen Proving Ground , a U.S ...

"I'm used to planes flying over, breaking the sound barrier, stuff like that. But for as the earthquake, the earth rumbling, or tumbling, I've never experienced that in my life," he said.

The comments mention everything from a fireball to an explosion to a jet breaking the sound barrier: reddit user vakr001: "The American Meteor Society has received reports of a fireball.

The National Weather Service's St. Louis office confirmed the sound wasn't caused by thunder or a frost quake, which is when underground water freezes rapidly after an equally rapid temperature drop.

When the ground started shaking, a herd of African elephants at the San Diego Zoo Safari Park formed a protective barrier, known as an "alert circle," around their youngest. Experts say it's a ...

Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian supersonic jet to break the sound barrier. The independently funded XB-1 reached a speed of Mach 1.122, or about 750 mph ...

A civilian jet broke the sound barrier for the first time Tuesday while making a historic test flight over the Mojave Desert. The XB-1 aircraft, manufactured by Boom Supersonic, was piloted by ...

A SpaceX spacecraft has caused a sonic boom over California as it returned to Earth's atmosphere, and some on social media initially mistook the sound for an earthquake. One even thought a bomb ...