ANKARA, Turkey—Turkey finalized the ratification of Sweden’s membership in NATO on Thursday, bringing the previously non-aligned Nordic country a step closer to joining the military alliance.

WARSAW, Poland—Prosecutors in Poland are investigating after commentators joked on a right-wing television station that migrants should be sent to Auschwitz or be tattooed or microchipped like dogs, and some companies have pulled advertising from the ...

VATICAN CITY—The Vatican on Thursday unveiled plans for a yearlong restoration of the monumental baldacchino, or canopy, over the main altar of St. Peter’s Basilica, pledging to complete the work on Bernini’s masterpiece before Pope Francis’ big 2025 ...

THE ousted leader of ChatGPT-maker OpenAI is returning to the company that fired him late last week, the latest in a saga that has shocked the artificial intelligence industry.

LONDON—Britain’s cybersecurity agency said on Tuesday that artificial intelligence poses a threat to the country’s next national election, and cyberattacks by hostile countries and their proxies are proliferating and getting harder to track.

YouTube is rolling out new rules for AI content, including a requirement that creators reveal whether they’ve used generative artificial intelligence to make realistic looking videos.