Chess engines can beat grandmasters—but they can’t agree on a single infallible strategy. And, instead of ruining the game, artificial intelligence is now uncovering new ways of playing.

Complexity theory remains one of the great unsolved mathematical puzzles. Kenneth Regan is trying to figure it out. Kenneth Regan paused at lunch in New York to glance at incoming texts from top ...

A mathematician from Harvard University has (mostly) solved a 150-year-old Queen's gambit of sorts: the delightful n queens puzzle. In newly self-published research (meaning it has not yet been ...