Whether you're just starting out or have been enjoying the hobby for a while now, you'll know that there's a wide variety of puzzle sizes to choose from nowadays. Some puzzles contain thousands of ...

GPT-5.2 Pro delivers a Lean-verified proof of Erdős Problem 397, marking a shift from pattern-matching AI to autonomous mathematical reasoning.

Players struggling with today’s New York Times Strands puzzle can take some relief, as puzzle #676 leans toward pop culture, specifically the world of reality television. The daily word game, which ...

A Korean mathematician has won international recognition for solving a geometry puzzle that had resisted proof for nearly six decades. US magazine Scientific American named the research by Baek ...