This is what a split in the polar vortex looks like! Highlighted by the red boxes, you can see two distinct circulation centers, versus strictly one. This allows for cold air to flood southward into ...

BOOM! What was the earth-shaking, jolt-you-awake, set-off-the-car-alarm sound? Oh right, a rocket launch. But why are some rocket launches accompanied by sonic booms and others aren’t? Either way, ...

NORFOLK, Va. – 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 boom ...

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On Sunday afternoon, as an F-16 fighter jet out of Joint Base Andrews scrambled to intercept a non-responsive plane over the D.C. area, its sonic boom shook homes and alarmed residents from Gambrills, ...

Today, many military aircraft can break the sound barrier to enter supersonic flight. Certain commercial models can as well, including the Concorde, which is famous for its record-breaking flights. As ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

NORFOLK, Va. — People living in and around the nation’s capital on Sunday experienced a rare, if startling, sound: A sonic boom. The boom was heard after U.S. military dispatched a fighter jet to ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NORFOLK, Va. (AP) — People living in and ...