Why Mergers of Carmakers Like Honda and Nissan Often Falter

The Japanese companies are considering joining forces to survive in a rapidly changing auto industry, but auto history is filled with troubl...

OpenAI Unveils New A.I. That Reasons Through Math, Science Problems

The artificial intelligence start-up said the new system, OpenAI o3, outperformed leading A.I. technologies on tests that rate skills in mat...

Elon Musk and SpaceX Face Federal Reviews After Violations of Security Reporting Rules

Federal agencies have opened at least three reviews into whether the company and its leader complied with disclosure protocols intended to p...

TikTok Asks Supreme Court to Block Law Banning Its U.S. Operations

The company and its Chinese parent invoked the First Amendment in urging the justices to step in before a Jan. 19 deadline to sell or be shu...

Personal Data of Rhode Island Residents Breached in Large Cyberattack

An “international cybercriminal group” harvested the personal data of potentially hundreds of thousands of people from the state’s social se...

Tim Cook to Dine With Trump at Mar-a-Lago

The chief executive of Apple is the latest in a series of technology executives who are traveling to Florida to meet with the president-elec...

How U.S. Firms Battled a Government Crackdown to Keep Tech Sales to China

An intense struggle has unfolded in Washington between companies and officials over where to draw the line on selling technology to China. ...

Why Luigi Mangione’s Reddit and Instagram Were Taken Down, but Not His Goodreads

Luigi Mangione’s social media accounts attracted swift attention after he was arrested in the killing of UnitedHealthcare’s chief executive....