Improv Everywhere is a New York-based comedy troupe known for its unexpected flash mobs. For its latest mission, the group ...

Add Yahoo as a preferred source to see more of our stories on Google. Officials in Jersey Shore towns say they are not equipped to deter minors from organizing in large groups that often lead to chaos ...

On Sunday, Jan. 26, a crowd of pink hats turned into a flash mob on Park City’s Main Street. The flash mob celebrated the Sundance Film Festival’s debut of "Chasers." The flash mob included several ...