The dream of clean hydrogen has tantalized energy experts for years, but producing it has been tough. Many start-ups think the answer could lie beneath our feet.

Video shared on social media showed the jets striking each other and spinning toward the ground. Four crew members safely ejected before the planes crashed, officials said.

Seattle voters elected Mayor Katie Wilson as tensions rose over wealth inequality, but as Starbucks, one of the city’s most iconic companies, expands in Nashville, she is finding her limits.

Gov. Jared Polis’s decision to commute the sentence of Tina Peters came after months of tense discussions, including one with President Trump.

He was defeated in the Republican primary in Louisiana on Saturday. Representative Julia Letlow and State Treasurer John Fleming are now in a runoff for the party’s nomination.

Peter Gelb, the general manager of the Metropolitan Opera, said he is not going anywhere as he struggles with financial crises and opera’s place in a changing arts landscape.

The president has never pretended to be an ordinary American, but a recent “truth bomb” has opened him to criticism that he doesn’t grasp the economic strain of his war with Iran.

Our simulations debunk the notion that the act created artificial minority districts that wouldn’t otherwise exist.

One fateful decision 100 years ago created parallel lives. How does a family broken by the bizarre rules of racism heal itself after three generations apart?

A new collection of propaganda photos shows the first roundup of Jews in Paris, in 1941.

Lessons from the first graduating A.I. class.

Our chief theater critic looks at this year’s nominees and makes some predictions (and recommendations).

Senator Bill Cassidy, a two-term Republican who voted to convict President Trump in his 2021 impeachment trial, could not muster enough votes to continue to a runoff next month.

Senator Bill Cassidy’s defeat means no more than two of them will be left in Congress next year.

Four of the injured were in serious condition, the mayor of Modena said, praising residents who rushed to stop the car’s driver from escaping on foot.

Democrats announced Saturday night that the Senate’s top parliamentary referee had determined that the $1 billion provision did not comply with budget rules.

The hantavirus outbreak on the MV Hondius set off alarms for a world still traumatized by Covid. For those on board, the danger was much closer.

A woman who was nine months pregnant was in court on low-level charges, raising questions about why she was discharged from a hospital before the hearing.

The extradition of Alex Saab, who is tied to a huge graft scheme, is part of a purge of powerful figures who helped the deposed president, Nicolás Maduro, stay in power.

Five countries boycotted this year’s contest over Israel’s involvement, but politics took a back seat once the show in Vienna got underway.