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

Below are the current SP+ rankings, last updated after the games of Jan. 9. What is SP+? In a single sentence, it's a tempo- and opponent-adjusted measure of college football efficiency that I ...

The junior welterweight division had a shakeup over the weekend following Dalton Smith's stunning fifth-round stoppage of Subriel Matias to become the new WBC champion. Smith took the fight to Matias, ...