Calvin Butler, the chief executive of Exelon, one of the nation’s largest utility companies, is trying to keep the lights on. By Jordyn Holman Jordyn Holman, who has been using A.I. a lot more lately, ...

With new systems from companies like Anthropic and OpenAI, hackers can attack with greater speed. The defense is more A.I. By Cade Metz and Kate Conger Reporting from San Francisco Anthropic said late ...

Add Yahoo as a preferred source to see more of our stories on Google. Although we’ve been told that A.I. is poised to “revolutionize” work, at the moment it seems to be doing something else entirely: ...