SANANTONIO -- It spread by text-messaging: a seemingly impromptu senior prank to be played out at Brandeis High School. But what was supposed to be a harmless flash mob eventgrew menacing, school ...

Watch this funny video of a mannequin coming back to life. Shoppers and employees at the 5th Avenue Gap in Manhattan got to experience the creepy, seemingly impossible scenario of a mannequin coming ...

Watch where you suntan this weekend. The prank group Improv Everywhere is planning a fancy beach flash mob in New York City where they’ve asked people to show up at the beach wearing black-tie attire.

What started as a normal moment at the shopping mall quickly turned into an unexpected flashmob performance. Musicians began ...