With support from Markwayne Mullin and Robert F. Kennedy Jr., the kratom industry is pursuing a potentially lucrative policy. Mr. Mullin owns equity in a company that could benefit.

The administration’s surprise restrictions Friday cut off foreign access to Anthropic’s latest models and sparked another round of finger pointing.

Britain said it would ban social media access for children under 16 starting in 2027, joining several other countries introducing similar measures.

OpenAI said that a coalition of states had opened an investigation over a wide range of its practices, including its handling of user data, safety of minors and advertising activities.

The company said on Friday night that the federal government had ordered limits on its Mythos and Fable 5 A.I. systems, citing national security concerns.

More than 100 planned wind farms in 21 states are now stalled indefinitely as the Pentagon delays military reviews once seen as routine.

More than 100 planned wind farms in 21 states are now stalled indefinitely as the Pentagon delays military reviews once seen as routine.

© Brandon Thibodeaux for The New York Times

Months after Australia banned social media for everyone under 16, the British government is considering new policies to keep children safe online.

The Netherlands blocked a U.S. company from buying a Dutch firm that handles its national ID system, saying it would create a “threat to the public interest.”

A regulatory dispute has indefinitely delayed the release of Siri AI.

Brendan Carr, the chairman of the Federal Communications Commission, has greenlighted regulatory requests for the company’s Starlink satellite internet service and lavished praise on its chief executive.

The forthcoming order echoes President Trump’s decision to repeal executive orders that have protected other public lands from vehicles for decades.

The 27-nation European Union outlined how it hopes to expand the region’s data centers, semiconductors and cloud computing capabilities.

The order, which signaled a shift from the hands-off approach the White House had previously taken toward A.I., followed debates over how to gain control of A.I. models without disrupting innovation.

An analysis of six years of procurement records suggests that the People’s Liberation Army has openly tried to acquire restricted U.S. technology.

The state became the first to sue the ChatGPT maker over claims that its technology posed a risk to children and that the company had failed to warn the public of dangers.

The regulation would have required all publicly traded companies to disclose whether they faced significant risks from climate change and its effects.

© Loren Elliott for The New York Times

Clinical trials in China are getting attention at an international oncology gathering in Chicago. China’s surging biotechnology industry is fueling alarm that U.S. dominance in the field is waning.

Aviation start-ups and the Trump administration want to replace helicopters with electric aircraft, but the new vehicles still have to pass arduous tests before the public can use them.

One super PAC is allied with Anthropic. The other is tied to OpenAI. They’re both spending millions to influence this year’s elections.