The interplay between the burning fires, the smoke itself and quickly changing weather patterns is making the next few days more uncertain than usual.

The Salinas, Calif., company grows produce in more than 12 states, and in Mexico and Canada. Some Taylor Farms lettuce suspected of causing sickness ended up at Taco Bell.

The F.D.A. is planning to inspect farms and a lettuce shredding facility to determine how lettuce supplied by the produce company Taylor Farms to Taco Bell became contaminated and where it was shipped.

Investors are growing uneasy about increasing competition from China in the global race to dominate artificial intelligence.

China’s Moonshot AI unveiled a freely available artificial intelligence model that seemed to narrow the gap with cutting-edge offerings from U.S. tech companies.

The Israeli military said the attack targeted members of the second-biggest militant group in Gaza. It also said it was “aware of the claims that several uninvolved individuals” had been harmed.

Intelligence agencies provided the White House with a trove of declassified documents that President Trump cited on Thursday as evidence of election vulnerabilities.

Markwayne Mullin reiterated the president’s false claims about voting security while escalating the administration’s legally questionable attempts to control state elections.

Shipping traffic was at its lowest level in more than a month and oil prices moved higher as the Iran war continued to disrupt the supply of energy.

At a time of political upheaval and economic stagnation, Andy Burnham will on Monday become the seventh prime minister in a decade.

The company recently opened a new production line to keep up with strong demand for its 737 Max, though orders for its new planes lag rival Airbus.

The Old Ladies Against Underwater Garbage estimate they’ve removed 6,000 pounds of refuse from ponds on Cape Cod. “There’s no better feeling,” one said.

A deal would underline how scarce computing power is for artificial intelligence development, and could create a new business for Meta.

Like his predecessors, President Trump has struggled to turn battlefield successes into long-term victories.

After 165 years, the tourist ritual — which now costs $77.22 for the first 20 minutes — may be coming to an end. Here’s a tour through the archives.

With the Voting Rights Act weakened, Black representation will depend less on Black voters and more on broad, multiracial appeal or on ideological outsider campaigns.

Voting-rights activists said the changes are a blatant attempt by G.O.P. leaders to make it harder for Black voters and students, who tend to vote for Democrats, to cast ballots this fall.

See some of the best images from the world’s most popular sporting event.