China’s Rush to Dominate A.I. Comes With a Twist: It Depends on U.S. Technology

China’s tech firms were caught off guard by breakthroughs in generative artificial intelligence. Beijing’s regulations and a sagging economy aren’t helping. More details

Chinese Spy Agency Rising to Challenge the C.I.A.

The ambitious Ministry of State Security is deploying A.I. and other advanced technology to go toe-to-toe with the United States, even as the two nations try to pilfer each other’s scientific secrets. More details

How Russian and Chinese Interference Could Affect the 2024 Election

The stakes for Russia in the presidential vote are large. Other adversaries also might try to deepen divisions among American voters. More details

A.I. Killer Drones Are Becoming Reality. Nations Disagree on Limits.

Worried about the risks of robot warfare, some countries want new legal constraints, but the U.S. and other major powers are resistant. More details

What the Biden-Xi Talks Accomplished (and Didn’t)

Wednesday’s four-hour meeting in San Francisco resulted in few breakthroughs. But C.E.O.s gave the Chinese leader a standing ovation at a banquet afterward. More details

The Race to Avert Quantum Computing Threat With New Encryption Standards

Quantum technology could compromise our encryption systems. Can America replace them before it’s too late? More details

Allied Spy Chiefs Warn of Chinese Espionage Targeting Tech Firms

F.B.I. officials say more than half of Chinese spying efforts aimed at stealing technology occurs in Silicon Valley. More details