Uprisings in three prisons have killed 10 police officers, presenting another challenge for President Bernardo Arévalo in his fight against corruption and organized crime.

New tensions flared a day after a Kurdish-led militia agreed to hand over control of prisons holding some 8,000 Islamic State fighters to the Syrian government.

Civil rights groups had criticized President Trump for failing to issue a proclamation honoring Martin Luther King Jr. and not attending commemorative events.

Cars and trucks slid into one another and off a highway after a lake-effect snowstorm. Numerous injuries were reported, but no deaths.

The victims of Spain’s deadliest rail crash in more than a decade included a police officer, journalists and a family returning from a musical.

Lawyers for the state and the cities of Minneapolis and St. Paul have sued over the deployment of some 3,000 federal agents to Minnesota.

The police in Lafayette, Ind., said they were investigating the nonfatal shootings of a Tippecanoe County Superior Court judge and his wife on Sunday.

As President Trump tries to coerce European leaders over Greenland, they are pondering the unthinkable: Is an 80-year-old alliance doomed?

In a text, President Trump told Norway’s prime minister that he no longer felt obliged to “think purely of Peace” and that the U.S. needed the island for global security.

Justice Department lawyers said they would ask an appellate court to review an injunction that imposes limits on the tactics used by immigration agents.

The train crash in the southern region of Andalucía on Sunday was the deadliest in Spain since at least 2013.

Valentino Garavani, fashion’s “Last Emperor,” believed in the power of beauty.

Gov. Wes Moore and the company behind the Sphere said the project in National Harbor, in the Washington metro area, would create jobs and become a landmark attraction.

The court is set to hear Ms. Cook’s case challenging her firing as the Justice Department investigates Jerome H. Powell, the central bank chair.

Valentino, as he was called, created one of the most durable and fashionable labels and became an equal of his high society customers.

A severe solar storm could produce a visible show from Alabama to Northern California.

Supporters of former president Hugo Chávez, the anti-American socialist, are struggling to come to terms with their government’s pact with Washington.

A pet cow named Veronika can scratch her own back with a broom — the first scientifically documented case of tool use in cows, researchers say.

We seem to be in a new era of anti-gay prejudice.

A state law mandating the display of the Ten Commandments in every classroom has already divided Texas schools. Now a federal appeals court will decide its constitutionality.

International law is either universal or meaningless. Greenland will show which one we choose.

Don’t get them started on the bathing suits. Or the dancing.