In a hypercompetitive world, drugs like Adderall offer students, athletes, coders and others a way to do more — faster and better. But at what cost?

U.S. citizens in more than 25 states are followed as they set out on the morning of the presidential election, throughout the course of the day, until the polls close…

An account of the many tribulations that Chinese artist Ai Weiwei, known for his subversive art and political activism, endured between 2008 and 2011, from his rise to world fame…