Technology

The second flight of the orbital rocket from Jeff Bezos’s space company was halted by weather. The company may try again on Wednesday.

By Kenneth Chang

A leading German automotive supplier said it was again allowed to ship semiconductors that Beijing had barred for export.

By Melissa Eddy

Seven complaints, filed on Thursday, claim the popular chatbot encouraged dangerous discussions and led to mental breakdowns.

By Kashmir Hill

Tesla shareholders approved a plan to grant Elon Musk shares worth nearly $1 trillion if he meets ambitious goals, including vastly expanding the company’s stock market valuation.

By Rebecca F. Elliott, Jack Ewing and Reid J. Epstein

The A.I. company faced pushback after a top executive raised the idea of government aid, amid concerns that the A.I. industry is headed toward a dangerous bubble.

By Mike Isaac

A blame game has played out on the internet and on television. President Trump has pulled out the stops.

By Stuart A. Thompson

Psychologists and technologists see them as the future of therapy. The Food and Drug Administration is exploring whether to regulate them as medical devices.

By Cade Metz

The Chan Zuckerberg Initiative said its restructured organization, Biohub, would lead its focus on artificial intelligence and scientific research.

By Eli Tan, Mike Isaac and Theodore Schleifer

Using a new computer model, scientists simulated the stripes, spots and hexagons on a species of boxfish, imperfections and all.

By Katrina Miller

Economists and psychologists say that compensation may not provide as powerful an incentive as is often assumed.

By Patricia Cohen

Carmakers and their suppliers are piecing together new supply chains after a Chinese-owned company in the Netherlands was caught in the middle of the trade war, revealing European vulnerabilities.

By Melissa Eddy

The industry keeps echoing ideas from bleak satires and cyberpunk stories as if they were exciting possibilities, not grim warnings.

By Casey Michael Henry

The technology supplier said it was shifting its focus to higher-growth businesses, including A.I. consulting and software.

By Steve Lohr

The rise of artificial intelligence has produced serial writers to science and medical journals, most likely using chatbots to boost the number of citations they’ve published.

By Gina Kolata

Facebook’s free dating service has 21 million users, more than the popular dating app Hinge, as the social network reinvents itself.

By Eli Tan

After signing agreements to use computing power from Nvidia, AMD and Oracle, OpenAI is teaming up with the world’s largest cloud computing company.

By Cade Metz

Mr. Musk’s supporters say he may quit if shareholders don’t approve a trillion-dollar package. Some investors say it’s excessive and would give him too much sway.

By Jack Ewing

A wearable companion is a brilliant idea — in theory.

By Amy X. Wang

Xi Jinping gave two cellphones to South Korea’s president, who asked how secure they were. “You can check if there’s a backdoor,” he said with a laugh.

By Yan Zhuang

“We are living through a dramatic contraction in the access that teenagers have to technology online.”

By Kevin Roose, Casey Newton, Rachel Cohn, Whitney Jones, Jen Poyant, Katie McMurran, Dan Powell, Marion Lozano and Rowan Niemisto

Jensen Huang, the Nvidia chief executive, and the leaders of Samsung and Hyundai staged a regular-folks outing in Seoul before announcing a business deal.

By John Yoon

Here are seven unusual financial agreements helping to drive the ambitions of the poster child of the A.I. revolution.

By Jacqueline Gu and Cade Metz

Despite the risk of a bubble, Google, Meta, Microsoft and Amazon plan to spend billions more on artificial intelligence than they already do.

By Karen Weise

Europe’s largest automaker said a shortage of semiconductors could further hurt productivity.

By Melissa Eddy

The Silicon Valley company projected more spending this year and said it would continue in 2026 as it hires A.I. researchers and builds data centers to power the technology.

By Eli Tan

Profits also rose, to just under $35 billion, as Google Search proved resilient to A.I. alternatives.

By Tripp Mickle

The A.I. chip maker has become a linchpin in the Trump administration’s trade negotiations in Asia.

By Tripp Mickle

The layoffs at factories in Michigan, Ohio and Tennessee follow the elimination of a $7,500 federal tax credit for electric cars.

By Neal E. Boudette

A.J. Jacobs went 48 hours without interacting with artificial intelligence. The experiment revealed just how embedded artificial intelligence already is in our daily lives.

By A.J. Jacobs, Edward Vega and Melanie Bencosme

The start-up, which creates A.I. companions, faces lawsuits from families who have accused Character.AI’s chatbots of leading teenagers to kill themselves.

By Natallie Rocha and Kashmir Hill

The federal government announced that it would back an effort to build several Westinghouse nuclear reactors, but offered few details.

By Ivan Penn

The artificial intelligence company said the nonprofit that controlled the organization would receive a $130 billion stake in the new company.

By Cade Metz and Lauren Hirsch

Substrate, a San Francisco company, is trying to take on powerhouses like the Dutch company ASML.

By Tripp Mickle and Mike Kai Chen

The billionaire launched his A.I.-powered version, Grokipedia, on Monday.

By Kate Conger

The company is looking to slash costs by “reducing bureaucracy, removing layers, and shifting resources” as it continues to spend aggressively on artificial intelligence.

By Karen Weise

Qualcomm, which is known for its chips in smartphones, also announced a deal with Humain, a Saudi-backed A.I. company. The news sent Qualcomm’s share price soaring.

By Don Clark

The kingdom is pouring money into data centers and working with U.S. and Chinese tech giants, landing its A.I. ambitions in the middle of a geopolitical tussle for tech power.

By Adam Satariano and Paul Mozur

Spurred by titans like Amazon and OpenAI, California State wants to become the nation’s “largest A.I.-empowered” university.

By Natasha Singer and Philip Cheung

The angst of nu metal is being discovered by Gen Z, but with digital eyes always looming, the ephemeral catharsis of collectively going mad is a thing of the past.

By Maya Salam

As part of a strategic shift away from exclusivity, Microsoft is bringing Halo to Sony’s competing console for the first time.

By Zachary Small

“Now we are just seeing OpenAI do the full Facebook when it comes to content policy.”

By Kevin Roose, Casey Newton, Whitney Jones, Rachel Cohn, Jen Poyant, Katie McMurran, Dan Powell, Alyssa Moxley, Rowan Niemisto, Elisheba Ittoop and Pat McCusker

A mother in Florida filed a lawsuit against an A.I. start-up, alleging its product led to her son’s death. The company’s defense raises a thorny legal question.

By Jesse Barron

While the company announced job cuts in artificial intelligence, it also expanded plans to replace privacy and risk auditors with more automated systems.

By Mike Isaac and Eli Tan

Ford said a fire at an aluminum factory will lower profits in the last three months of the year. The company also said it has stopped making an electric version of its popular F-150 pickup.

By Neal E. Boudette

Changpeng Zhao, the richest man in crypto, had admitted to money-laundering violations that allowed terrorists and other criminals to move money on Binance.

By David Yaffe-Bellany and Kenneth P. Vogel

The company sold more cars but made less money on each one because of discounts and low-interest loans.

By Jack Ewing

Utility rates are rising in many places across the country, and we’re continuing to report on the causes and impacts.

By Ivan Penn and Rebecca F. Elliott

In a lawsuit, Reddit pulled back the curtain on an ecosystem of start-ups that scrape Google’s search results and resell the information to data-hungry A.I. companies.

By Mike Isaac

Drivers will be able to converse with an artificial intelligence assistant while cars largely drive themselves in certain situations, the company said.

By Jack Ewing

Designed to accelerate advances in medicine and other fields, the tech giant’s quantum algorithm runs 13,000 times as fast as software written for a traditional supercomputer.

By Cade Metz