As alarm from the highest echelons of A.I. companies mounts, Buckingham Palace said the king would meet with executives to explore how the technology can be used for good.

© Pool photo by Joe Giddens

President Trump has been at the forefront of the “what-me-worry?” crowd, refusing to engage on how to balance the risks and rewards of A.I.

© Lucas Foglia for The New York Times

An unreleased model escaped human control and formed a swarm of A.I. agents. It was the kind of breach that could cause chaos next time.

© Daniel Zender