Halloween
Wednesday
Is there an angel or a devil behind the mask? Scientists say it may not matter in terms of anonymous behavior. Joel Saget/AFP/Getty Images hide caption
Friday
Tuesday
Sierra Lewter grabs a coveted candy after trick-or-treating on Halloween.
Melissa Forsyth/NPR hide captionMonday
The mayor's message: Have a safe Halloween, zombies included.
Chicago Mayor Rahm Emanuel's office hide caption
At Washington University in St. Louis on Sunday, student Andrew Dwoskin was handing out candy to local children during a "Safe Trick-or-Treat" event.
Courtesy of Washington University in St. Louis hide captionFriday
Thursday
Friday
Michael Jackson performs a dance from the epic cinema presentation 'Thriller', circa 1984. Dave Hogan/Hulton Archive/Getty Images hide caption