After years of delay, the Federal Aviation Administration certified the 737 Max 10, the largest version of Boeing’s most popular plane.

The Philadelphia Police Department said the agents had also sent in a false homicide tip. The incidents led the White House to call for better disclosure of rogue A.I. behavior.

A tech start-up’s stunt in San Francisco tested the boundaries of combat sport safety and regulations.

An internal memo reinterprets the law so that only the intentional killing of animals, not collateral harm, is illegal.

The debate whether to regulate artificial intelligence is dividing leaders in both Silicon Valley and Washington. Senator Bernie Sanders and Stephen K. Bannon set aside partisanship to demand tighter regulations.

At an event in Washington, partisanship took a back seat as elected officials, religious leaders, parents and artists called for reining in artificial intelligence.

What began as a philosophical question — how dangerous might artificial intelligence become? — has hardened into increasingly entrenched rival camps.

Mr. Trump called Jensen Huang, Nvidia’s chief executive, while Mr. Huang was onstage in Los Angeles and criticized calls to slow down and regulate A.I.

The landmark legislation, known as the Clarity Act, stalled in the Senate as Democrats raised concerns about President Trump’s personal investments in crypto.

Alex Bores, who lost a congressional primary contest that revolved around A.I. regulation, is trying to position himself at the center of the conversation for the next presidential election.

Today’s chatbots aren’t likely to help lone actors invent a deadly pathogen, experts say. But newer models, trained in biology, may need stronger safeguards.

The 64-year-old Michigan power plant was set to retire. Then the Trump administration intervened in a way that overstepped its authority, a court ruled.

© Julián Trejo Bax/Associated Press

Gov. Gavin Newsom signed a bill that prohibits social media platforms from providing addictive features to users under 16, the first law of its kind in the nation.

Two lawsuits seek to reverse the Trump administration’s moves to open the habitats of imperiled wildlife to commercial activities.

Their warnings echo concerns that other artificial intelligence experts have voiced in recent months, as calls increase for a slowdown in the pace of development.

The court said the measure, which required energy companies to pay $75 billion to the state, conflicted with federal law.

© Cindy Schultz for The New York Times

As Waymo deploys more driverless cars to 15 U.S. cities and counting, its vehicles keep encountering new and unexpected situations that they have no script to handle.

Unitree Robotics wants to raise about $900 million in an I.P.O. that tests market interest in humanoid robots, a technology that wows but has yet to prove its viability.

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The president’s push for data centers is driving a boom in gas-burning power plants. Texas is leading the way.

© The New York Times