Warren met his cancer diagnosis with tenacious optimism. But can positive thinking really affect the course of the disease?

The answer to this and many other questions in this week's edition of Big 6 following a dramatic finish at Kansas Speedway.

Sam Harris on Silicon Valley’s turn toward authoritarian politics and the collapse of the information commons. Plus: Donald ...

Pep Guardiola said he was not concerned about the late goals being conceded by Manchester City, but his side let in a 90th-minute penalty against Monaco in the Champions League.