A Mathematician with early access to XAI Grok 4.20, found a new Bellman function for one of the problems he had been working on with my student N. Alpay. Not an Erdős problem, but original research.

From government shutdowns to foggy morning and thunderstorms, flight delays have become a normal part of airline travel. For major airlines, that might operate thousands of flights per day, a few ...

One of the most traditionally practiced chokes in jiu-jitsu, the triangle was responsible for timeless moments in MMA history, from Royce Gracie, Anderson Silva and Antonio Rodrigo Nogueira’s ...

ATLANTA — Atlanta-based Delta Airlines has announced that flights from 13 Caribbean airports will resume on Jan. 4. The flight cancellations came after the FAA closed the Caribbean airspace after the ...

ROCHESTER, N.Y. — Passengers on Delta Flight 2472 on Sunday faced a frustrating delay after landing at Rochester’s airport, waiting more than two hours to deplane. The flight, which departed from ...

Delta Air Lines is rated a continued buy, with industry trends and company strategy driving strong revenue and margin prospects into 2026. DAL's premium and international travel focus, network ...

A Delta Air Lines flight made an emergency landing after the cabin crew detected an unusual odor The flight, headed from Orlando to Los Angeles, was diverted and made an emergency landing in Tampa at ...

WASHINGTON — American Airlines is making a notable change for its budget travelers. Customers who purchase basic economy tickets will now no longer earn AAdvantage miles or Loyalty Points toward elite ...

American Airlines quietly ended the ability for customers traveling on basic economy tickets to earn miles and status. Basic economy tickets are airlines' most restrictive and already do not allow for ...

NEW YORK, Dec 17 (Reuters) - American Airlines (AAL.O), opens new tab is betting big on luxury to regain altitude. From lie-flat seats and Bollinger champagne to Lavazza coffee and ultra-fast Wi-Fi, ...

Emergency crews responded Tuesday morning to San Antonio International Airport after an inbound Delta flight reported a possible odor or fumes inside the cabin, according to the San Antonio Fire ...