‘To the Future’: Saudi Arabia Spends Big to Become an A.I. Superpower

The oil-rich kingdom is plowing money into glitzy events, computing power and artificial intelligence research, putting it in the middle of an escalating U.S.-China struggle for technological influence. More details

Microsoft Makes High-Stakes Play in Tech Cold War With Emirati A.I. Deal

Microsoft said it would invest $1.5 billion in G42, an Emirati company with ties to China, as Washington and Beijing maneuver to secure tech influence in the Gulf. 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

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

In Risky Hunt for Secrets, U.S. and China Expand Global Spy Operations

The nations are taking bold steps in the espionage shadow war to try to collect intelligence on leadership thinking and military capabilities. More details

Biden to Restrict Investments in China, Citing National Security Threats

The measure to clamp down on investments in certain industries deemed to pose security risks, set to be issued Wednesday, appears likely to open a new front in the U.S.-China economic conflict. More details

TSMC Chairman Mark Liu Says Company Will Keep Its Roots in Taiwan

In an interview, the chip maker’s chairman, Mark Liu, explained why TSMC’s top tech would stay in Taiwan, despite growing threats from China and worries from the United States. More details