Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

In “The Great Math War,” Jason Socrates Bardi takes on a battle for the soul of numbers that divided the experts of its day.

DeepMind’s AlphaEvolve helps solve a math puzzle with Terence Tao, showing how AI can now invent new ideas—and prove old ones ...

Call it stubborn or call it determined, but a North Carolina substitute teacher just won a lottery jackpot after playing the same numbers for six years. Barbara Munford, of Hope Mills, hit it big in ...