Tech Stocks Shudder in Response to Calls to Slow A.I. Progress

Companies at the forefront of artificial intelligence posted declines after tech leaders expressed worries about “frontier” A.I. technology.

Some in Silicon Valley Are Questioning the Calls for an A.I. Slowdown

The New Moscow: A Digital Utopia Doubling as a Surveillance Trap

Cutting-edge technologies have reshaped the Russian capital, making it safer, more convenient — and more closely watched.

Landmark Vote Held in Restive Muslim Autonomous Region in the Philippines

The election, in an area long known for violent separatists, was marred by a shootout that killed three, officials said.

A Republican Senator Walks a Tricky Line on Tariffs as He Seeks Re-Election

Senator Dan Sullivan of Alaska has supported President Trump’s tariffs. His brother, the head of their family business, has described the economic volatility as a challenge.