A massive "Thriller" flash mob transformed Hamburg into a Halloween dance party Friday night.

A dapper 100-year-old dancer showed age was just a number when he led crowds during a flash mob dance in the heart of Worcester. Bernard Gilbert rolled back the years and delighted the crowds at ...

Every once in a while, crowded train stations have been known to break into song and dance and then disperse as if nothing happened. Large groups of people freeze for a period of time and then ...

The event in question was an aspirant “flash mob,” in which an “inexplicable crowd”—as described by the originator of the first mob, a New Yorker known simply as “Bill”—is summoned to a particular ...