Diplomats, dignitaries and tech experts gathered amid the United Nations General Assembly to debate how to address the threats and harness the potential of artificial intelligence.

© Angelina Katsanis for The New York Times

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