Editor's note: We've updated this story with the phrase "unidentified anomalous phenomena," NASA's most recent term for unidentified aerial phenomena. When NASA asked Boston University space physicist ...

SAN FRANCISCO — Online chatbots like ChatGPT from OpenAI and Gemini from Google sometimes struggle with simple math problems. The computer code they generate is often buggy and incomplete. From time ...

Companies like OpenAI and China’s DeepSeek offer chatbots designed to take their time with an answer. Here’s how they work. By Cade Metz and Dylan Freedman Cade Metz reported from San Francisco and ...

Driven by new technology called OpenAI o1, the chatbot can test various strategies and try to identify mistakes as it tackles complex tasks. By Cade Metz Reporting from San Francisco Online chatbots ...