Greece also worked to contain blazes on Lesbos and in the Peloponnese, where another firefighter died, in the midst of a brutal wildfire season for Europe.

Russian missiles have briefly entered Polish airspace in the past. Investigators have yet to definitively identify the object that struck Poland overnight.

We look at the ongoing fight between the Trump administration and James Comey.

President Volodymyr Zelensky of Ukraine said that a family of five had been killed at home in the latest in a series of large-scale aerial assaults by Moscow.

Plus, the horrendous smell plaguing one Canadian town.

China’s A.I. rise is creating a new dilemma for Beijing. The open models that win influence abroad may pose risks to the country’s security and geopolitical strategy.

Hundreds of bases are contaminated with PFAS, which are linked to low birth weight and other risks. Politicians from both parties are demanding explanations.

The rise and fall of pinot noir symbolizes the larger struggles of the wine industry as younger generations turn to other beverages.

For nearly three weeks, restaurants and other small businesses in the shadow of the former Pfizer building were shut when the tower began to buckle.

Iran-aligned militias in Iraq were under growing pressure to disarm, but the latest strikes may embolden them to get more deeply involved in the war.

“I can’t believe I have to say this to Donald Trump, but can you just lie to us?” Jordan Klepper said on “The Daily Show.”

Researchers at Caltech and Sophia Space, a start-up, have developed a technology using solar power to prevent computer equipment from overheating in orbit.

The Department of Buildings ordered work to stop on certain floors at 750 Third Avenue. It’s the third conversion project to have work halted since one became dangerously unstable earlier this month.

Show trials are bad for democracy.

As the war with Iran has continued, some are finding that the stress is bringing back old anxieties.

A warming planet and a shift away from farming have set the stage for larger fires on the continent. “We must learn to coexist with them,” one report said.

We’re looking for college and high school students to tell us about A.I.