A Mathematician with early access to XAI Grok 4.20, found a new Bellman function for one of the problems he had been working ...

Jan. 17, 2026 Scientists are uncovering a hidden and surprisingly complex earthquake zone beneath Northern California by tracking swarms of tiny earthquakes that are far too weak to feel. These faint ...

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. The Citi Premier® Card is no longer available to new applicants. Points and miles are terrific tools that ...

The Disney star’s viral essay sent Instagram users sleuthing.