This Might Be the Most Massive Black Hole Ever Discovered
New measurements of the galaxy at the heart of the “Cosmic Horseshoe” indicate that it could house the most massive object ever seen in the universe. [...]
ChatGPT users can now toggle Auto, Fast, and Thinking modes for more control over GPT-5
OpenAI is giving ChatGPT users more control over which GPT-5 models they use. Three manual modes, new model selection options, and the return of GPT-4o mark a shift away from the automatic routing sys [...]