Two regulatory rollbacks, along with a new A.I. experiment in Medicare, raise some worrisome questions.

One year into the president’s second term, America risks losing a central feature of our democracy: that we are a country ruled by laws, not by the whims of one man.

An intense cat-and-mouse game is putting enraged locals face-to-face with heavily armed agents.

Stores of all kinds are using artificial intelligence to sell everything from luxury handbags to hay for horses.

Physicians with independent practices are having to cobble together unconventional office arrangements at a time of rising costs and consolidation in the medical field.

Black female professionals have seen a steep drop in employment over the last year. They are turning to each other for pep talks and résumé advice.

Even as some instructors remain fervently opposed to chatbots, other writing and English professors are trying to improve them.

A video from Ken Paxton, a Republican primary challenger to Senator John Cornyn of Texas, depicted A.I.-generated imagery of the senator twirling with Jasmine Crockett, a Democratic Senate candidate.

With the Trump administration unlikely to bring a federal case against the ICE agent who killed Renee Good, our criminal justice reporter Jonah Bromwich explains some of the obstacles for any Minnesota prosecutors trying to charge the agent.