Experts use artificial intelligence to analyze data, plus thousands of crowdsourced photos, to forecast the prized flowers, which are a multibillion-dollar attraction.

The police chief in Fargo, N.D., acknowledged “missteps” but stopped short of apologizing to Angela Lipps, a Tennessee resident who said she had never been to North Dakota before she was arrested.

© Angela Lipps

Gov. Gavin Newsom, a Democrat, issued an order requiring safety and privacy guardrails for artificial intelligence companies contracting with the state.

© Dave Sanders for The New York Times

States ranging from California to Utah are taking steps to place guardrails on the technology even after the president ordered them to stop.

© Max Whittaker for The New York Times

The group, Innovation Council Action, says it plans to spend at least $100 million. It will be led by a former administration official.

© Doug Mills/The New York Times

Patients are turning to A.I. chatbots for therapy — and the chatbots are fueling their worst impulses.

Patients are turning to A.I. chatbots for therapy — and the chatbots are fueling their worst impulses.

Marshall McLuhan was right about Claude, too.

© Hannah Whitaker for The New York Times

Marshall McLuhan was right about Claude, too.

Propaganda and disinformation have flooded the internet in a sophisticated effort to undermine support for U.S. and Israeli attacks.

© Arash Khamooshi for The New York Times

Just as we changed our thinking around physical fitness, we need to change our attitude toward cognitive fitness.

Is Muskism the new Fordism?

Is Muskism the new Fordism?

Just as we changed our thinking around physical fitness, we need to change our attitude toward cognitive fitness.

As more A.I. generated writing is unleashed on the world, more readers will question who — or what — has penned their favorite works.

We can’t let crypto and A.I. buy the policies they want.

Readers respond to two guest essays about the changes that artificial intelligence will wreak on the work force. Also: The shoes of the Trump men.

Nothing artificial about this Hollywood A.I. smackdown.

Prosecutors said the men, including a co-founder of the company, Super Micro, had diverted servers containing Nvidia A.I. chips to China.

The country appears to be cracking down on people linked to the acquisition of Manus, a Singapore company with Chinese roots, as President Trump prepares to visit Beijing.

Excitement about A.I. assistant tools is running into growing concerns about the security risks of software that operates autonomously on user’s devices.

How ready are we?

Readers respond to a column by Nicholas Kristof. Also: Artificial intelligence pitfalls in school.

Richard Bookstaber warns that what appears to be disparate forces adding risk to our economy are all part of one deeply connected system.

A tech company made a deepfake of my mind. I’m fighting back.

China announced a 7 percent increase in military spending and a five-year plan to try to reduce its military and industry’s reliance on Western technology.

Parents in China are turning to A.I. chatbots and other tools to help their children gain an edge and ease the fighting over homework.

As China grapples with a shrinking population and historically low birthrate, people are finding romance with chatbots instead.

Total profit for the fiscal year was $120 billion, the company said. Three years ago, it was just $4.4 billion.