If the e-book app on your phone or tablet is overflowing and full of outdated files, use these tools to tidy it up.

A revival of U.S. solar panel manufacturing that began during the first Trump administration could end with the phasing out of tax incentives for clean energy.

All but a handful of states have some laws regulating artificial intelligence.

The tech company’s customers can automatically block A.I. companies from exploiting their websites, it said, as it moves to protect original content online.

Airlines and governments around the world have tightened restrictions on the devices after a series of accidents. The ban in China has caught some travelers off guard.

Michael Moritz co-founded The San Francisco Standard, a local news organization. It is acquiring Charter, a start-up focused on the future of work.

India is carving out a new space for Foxconn and other high-end manufacturers, just as President Trump demands American companies do at home.

Companies using A.I. tools to automate tasks like coding are changing job prospects for recent grads and college students. Tell us about your experiences.

Universities across the country are scrambling to understand the implications of generative A.I.’s transformation of technology.

A reporter who writes about A.I. finds her work is catching on — with the Chatbot she often writes about.

A reporter who writes about A.I. finds her work is catching on — with the Chatbot she often writes about.

The over-the-top party in the photogenic Italian city mixed Hollywood, Silicon Valley and political overtones.

The tech titan and his wife once had sprawling ambitions for their Chan Zuckerberg Initiative. Now their efforts in politics, education and housing have been cut back to focus on science.

The 9-year-old from Vietnam was abused by her mother for customers watching on smartphone apps in the U.S. and elsewhere. The mother said she needed the money.

The blue screen that stressed computer users for more than three decades is giving way to a black one.

Unhappy with his company’s artificial intelligence efforts, Meta’s C.E.O. is on a spending spree as he reconsiders his strategy in the contest to invent a hypothetical “superintelligence.”

Highlights from our first live taping, and our reaction to a spicy interview with OpenAI leaders.

Companies like OpenAI, Amazon and Meta have supersized their spending on artificial intelligence, with no signs of slowing down.

Tanner Martin has documented his fight against colon cancer for hundreds of thousands of followers. His death was announced in a recorded video.

The ride-hailing company is in talks to help Mr. Kalanick, who was forced out in 2017, buy an autonomous vehicles start-up as the robot taxi service Waymo gains momentum.