A Paris prosecutor said two men and two women were arrested as part of an investigation into the robbery at the museum.

With similar symptoms, it can be difficult to tell which illness is which. Here’s what to know.

The case is among the first in which a prosecutor is accused of filing court papers marred by A.I.-generated mistakes.

Scientists are learning how the brain knows what’s happening throughout the body, and how that process might go awry in some psychiatric disorders.

There is a push to revive single-room occupancy housing, where kitchens and bathrooms are shared among apartments as small as 100 square feet each.

The Trump administration is using its antitrust powers mostly to protect Mr. Trump.

A journey to the fringe of MAHA.

The city’s history can be understood through the people who sell food on sidewalks. Here’s how New York could set them up for success.

My students’ easy access to chatbots forced me to make humanities instruction even more human.

Initially cut out of development of the 28-point peace plan, European leaders are now trying to recast its pro-Russia slant. So far, it seems to be working.

Markets appear to be hoping again that the central bank will cut rates next month, and that the artificial intelligence boom has room to run.

We look into the mental health crisis affecting American youth.

The decision is a setback for the president’s efforts to wield the criminal justice system against his perceived enemies.

Transportation Secretary Sean Duffy has introduced a campaign meant to encourage civility.

We’re gathering readers’ stories about one of New York’s most polarizing holiday traditions. Share your best, worst and wildest SantaCon memories here.