The five Platonic solids are the epitome of perfection—at least in mathematics. Topology explains why there are only five of ...

Joan Birman thought her major discoveries were behind her. Then came an email from a young neighbor — a girl who knew little ...

Anthropic says AI model Claude spent 11 days turning Fermat's Last Theorem into 13 million lines of code a computer can check ...

Anya is a credit cards and travel writer with nearly 10 years of experience contributing content to various publications, including Forbes Advisor, NerdWallet, 10xTravel, Fodor’s and Reward Expert. As ...

Delta Air Lines over the weekend updated its official ticket change and cancellation fee structure for flights from the U.S. and Canada, introducing higher penalty charges for its new unbundled “Basic ...

OpenAI Group PBC revealed Saturday that an internal version of Astra, the model family it calls its next major release, produced new results for 10 problems in mathematics and theoretical computer ...

OpenAI's unreleased Astra model has produced what its October 2025 announcement only pretended to: genuine solutions to ten long-standing open problems in mathematics and theoretical computer science, ...

The airline is launching a ‘Basic’ version of first class fares that exclude perks on the ground like lounge access. Delta Air Lines' Basic plan gives you all the perks you'd normally get in first ...

Delta Air Lines has introduced lower-priced "basic" versions of it premium cabin seats. Travelers will get the same premium seat and onboard experiences but give up perks like seat selection and ...

Happy Friday from steamy Miami. I’m not here for the World Cup but am soaking in all the hoopla ahead of Saturday’s quarterfinal match between England and Norway. There’s even an aviation angle: ...

Delta is the latest U.S. airline to introduce stripped down, luxury-class fares. What do you get for your money, and is it worth it? What you need to know. United Airlines has been offering ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Premium airline cabins remain stuck in an outdated prix-fixe model, forcing passengers to ...