Video footage and satellite images reveal new details about Iranian strikes on U.S. targets during the latest flare-up in fighting. By Aric Toler and Christoph Koettl Kyiv is escalating its air war by ...

In our experiment, we deployed A.I. “agents” to act as office workers, and found that they were capable of performing some of the tasks we assigned, but not all of them. By Keith Collins The case ...