Pope Leo Warns of Risks From A.I. in 42,300-Word Encyclical

The document marks a powerful foray by the leader of the Roman Catholic Church into the debate about the misuse or overuse of artificial intelligence.Pope Leo XIV at the presentation of his first encyclical letter, “Magnifica Humanitas,” at the Vatican on Monday. In it, he outlined his desire to pro

M Motoko Rich, Elisabetta Povoledo and Elizabeth Dias

To Get the Strait Open, Trump Had to Leave the Hardest Issues for Later

President Trump is hailing the agreement with Iran as groundbreaking, even as he admits it “isn’t even fully negotiated.” But the nuclear stockpile, enrichment and missiles have not been discussed.The Strait of Hormuz has been a focal point since the start of the conflict.

D David E. Sanger and Tyler Pager

In City at Center of Ebola Crisis, ‘the Virus Is Far Ahead of Us’

The deadly virus has spread alarmingly in Congo for months. Only now is the response taking shape.Disinfecting the public market on Saturday in Bunia, in the Democratic Republic of Congo’s northeast, as part of the response to the Ebola virus’s resurgence.

D Declan Walsh and Arlette Bashizi

At an LA Costco, Skateboarding and Learning About Loss

We’re all going to die. But first — just one more trick.At a time when people are lonely and disconnected, the Costco I skate at is a place where a bunch of 40- and 50-year-olds gather around low-stakes terrain, reconnecting.

C Conor Dougherty and Jake Michaels

Artificial Intelligence Floods Court Dockets with Home-Brewed Lawsuits

For years, courts have welcomed cases brought by self-represented litigants. Now those plaintiffs have A.I., and their filings are consuming more and more bandwidth.Donald Sauve works on stacks of legal documents as part of a pro se legal filing at a coffee shop in Mora, Minn.

M Mattathias Schwartz and Zach Montague

A City in the Kill Zone

Little is left of Kostiantynivka, a city on the front lines. Rescuers risk their lives to ferry out the few who remain.

T Tyler Hicks and Gaëlle Girbes

Everyone Knew Them on the Block. Then a Friday Ritual Ended in Tragedy.

The group of friends had used the same corner on the Upper West Side to unwind for years. By the end of the night, two people would be dead after a speeding S.U.V. drove into a crowd.A memorial for Jason Negron and Michael Saint-Hilaire, two friends who were killed when a car drove onto a sidewalk i

N Nate Schweber

Cubans Cook With Charcoal and Wood Fires to Survive During Energy Crisis

The U.S. oil blockade has left millions without cooking gas. In Santiago de Cuba, the cradle of the Cuban revolution, apartment tower residents resort to charcoal and firewood.Outside one of five 18 story apartment towers in Santiago de Cuba this month.

E Ed Augustin and Lisette Poole González

Can Concrete Molds Revive Coral Reefs Ruined by Bombs and Climate Change?

In a devastated section of the Coral Triangle in the Pacific Ocean, a conservation group is trying to build an artificial reef.Robin Philippo, the managing director of the Tropical Research and Conservation Center, installing an artificial reef structure near Pom Pom Island in Malaysia.

Z Zunaira Saieed and Sirachai Arunrugstichai

Summer’s Best Beach Reads

If you happen to be near a body of water (salt, fresh, chlorinated or otherwise), here are the books you’ll need.

E Elisabeth Egan

The 15-Year-Old Keeping War Memories Alive

Luke Morrison may be the youngest person keeping alive an age-old tradition: to process war through the memories and mementos of those who experienced it.

J Jasper Craven and Amina Gingold