This video is no longer available. D.C. tourists visiting the Jefferson Memorial got a treat on Saturday afternoon, when the International Flash Mob of West Coast Swing took over the Tidal Basin.

The Sexual Assault Response and Prevention Center held a flash mob Friday as part of the One Billion Rising campaign, a global initiative to end violence against women and encourage those who have ...

Vinegar eel "flash mob" caught under the microscope! Researchers were stunned when they measured the force of the roiling ...

It takes two to tango. But it takes a lot more than that to start a flash mob. The 10th annual LA Summer Tango Marathon will take place across the South Bay next weekend, featuring a traveling “flash ...