Professional mathematicians have been stunned by the progress amateurs have made in solving long-standing problems with the ...

Looking for help with today's New York Times Pips? We'll walk you through today's puzzle and help you match dominoes to tiles ...

Leigh Robinson was out for a lunchtime walk one brisk day during the spring of 2013 when a call came from the principal at her school. Will, a third-grader with a history of acting up in class, was ...