Abstract: The recently proposed affine frequency division multiplexing (AFDM) is a new transmission waveform that has shown excellent performance in high-mobility environments, making it a sensible ...

The ChatGPT-maker is releasing its “best model yet” as it faces new pressures from Google and other AI competitors. OpenAI has introduced GPT-5.2, its smartest artificial intelligence model yet, with ...

Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. Sam Altman, co-founder and CEO of OpenAI ...

Escalating from last month’s internal warnings of rough vibes, OpenAI CEO Sam Altman has declared a company-wide “Code Red” to salvage his flagship product. As a result, the “Pulse” personal assistant ...

The shoe is most certainly on the other foot. On Monday, OpenAI CEO Sam Altman reportedly declared a “code red” at the company to improve ChatGPT, delaying advertising plans and other products in the ...

What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey and then grills up some steaks to show just how much energy it takes to ...

Code Red at OpenAI: Employees Ordered to Focus on ChatGPT Improvements CEO Sam Altman reportedly told staff on Monday that the company needs to concentrate on its chatbot to ensure it doesn’t fall ...

Update, November 8, 9:46 a.m. ET: The GitHub repository and its forks have been taken down. The original story follows below. Just hours after Apple launched a revamped web interface for the App Store ...

Astronomers are puzzled, and that’s putting it mildly. A strange pattern of pulses, repeating like clockwork, has been detected from 3I/ATLAS, an interstellar object cruising through our Solar System.

After a 35-year quest, the final solution to a famous puzzle called Kryptos has been found. Two writers discovered the fourth answer to the code hidden among the Smithsonian Institution’s archives.