The Samsung Galaxy Note 9 does more than any other smartphone—and does it all well—but it’s pretty hard to figure it all out.

America’s car industry dismissed the potential of autonomous driving for years as tech companies plunged ahead. Now Detroit is racing to catch up.

President Trump threatened action against social-media companies, saying they were suspending accounts in a manner that was “totally discriminating” against conservatives.

Shares of companies like Amazon.com, Netflix and Salesforce.com have surged this year, driving the stock market higher but also pushing valuations to what some investors consider worrisome levels.

Apple said it removed illegal gambling apps from its App Store in China as it came under fire from state media—a move that could help quell the latest challenge for the tech giant in its most important market outside the U.S.

The SEC began investigating last year whether Tesla misled investors about its Model 3 car production problems and subpoenaed a parts supplier.

Google Chief Executive Officer Sundar Pichai defended to employees the internet giant’s controversial push to do more business in China but said the company is “not close to launching a search product” in the country.

The SEC began investigating last year whether Tesla misled investors about its Model 3 car production problems and subpoenaed a parts supplier. Separately, regulators are asking board members for details about their conversations with Elon Musk to take Tesla private.

DoorDash Inc. said it raised $250 million in a round of funding that values the prepared food-delivery startup at $4 billion, more than doubling its valuation for the second time in five months.

In middle age, the search giant’s motto has gone from ‘Don’t be evil’ to something more like ‘Get real.’

Securities regulators began investigating last year whether Tesla Inc. misled investors about its Model 3 car production problems, according to a person familiar with the matter.

Tesla is making a profit of more than $3,000 on each sale of the current low-price version of its Model 3 sedan, UBS estimates, but would lose nearly twice that amount if the vehicle sells at a long-promised price of $35,000.

A year after joining Uber Technologies, CEO Dara Khosrowshahi is showing signs he can maintain the ride-hailing firm’s rapid pace of revenue growth while reining in some of its substantial losses.

Federal regulators have subpoenaed Tesla, ramping up an investigation into whether Chief Executive Elon Musk was truthful when he tweeted last week that he had secured funding to take the electric-car maker private.

Crown Prince Mohammed and his sovereign-wealth fund, weighing whether to be part of a deal to take Tesla private, have become a pivotal global investor. But some Saudis worry impulsive bets on future technologies could jeopardize the wealth of future generations.

Public-radio companies PRX and PRI are merging in a bid to capitalize on the surging popularity of podcasts and other digital formats as listeners and content creators migrate away from traditional broadcast radio.

Twitter suspended far-right talk-show host Alex Jones for violating the social media company’s policies, a reversal amid intensifying public scrutiny and criticism of Mr. Jones’s posts on the platform.

The electric-car maker’s CEO again caught the financial world by surprise with a tweet about his desire to take the company private, revealing a list of advisers before arrangements with all of them were completed.

After WhatsApp co-founder Jan Koum said he was leaving Facebook in April, he has continued showing up at the social-media giant’s headquarters. His incentive for the appearances: about $450 million in stock awards.

Major tech companies committed to removing technological barriers that have hindered patient and provider access to health-care data online.

Tencent, the world’s largest videogame company by revenue, is raising its bet on the fast-growing industry of esports.

Three Tinder founders and a handful of current executives alleged in a lawsuit that the dating app’s parent companies, Match Group and IAC/InterActiveCorp., manipulated financial information to undermine its valuation.

Tesla’s board of directors has formed a special committee to evaluate Chief Executive Elon Musk’s proposal to take the electric-car maker private.

Microsoft is moving to retool Cortana, its digital voice assistant that has struggled as the software giant shackled it to the personal computer.

The new Dashlane security suite—with password manager, a VPN and a tool to check if your personal information has been stolen—is the easiest way yet to protect yourself on the internet.

After Tesla Chief Elon Musk’s explosive tweet last week about a possible company buyout, some investors wonder why Nasdaq took more than an hour to halt frenzied trading.

As soon as this fall, the Parker Solar Probe will fly straight through the edges of the sun’s outer atmosphere and make 24 close approaches to the sun over the seven-year, $1.5 billion undertaking.

While Google’s search engine remains blocked in China, the company is courting allies there by providing tools and support to a growing number of app developers, manufacturers and advertisers in the region.

Hackers at the Defcon computer security conference believe they can help prevent manipulation of U.S. elections. Some election officials and makers of voting machines aren’t so sure.

WeWork on Thursday disclosed it raised another $1 billion in funding from SoftBank, as the shared-office company continues its rapid growth by doubling revenue but piling up losses.

Many tools exist that could help identify bad actors on social media. There’s just no consensus on how to use them.

Two measures in New York City could hamper Silicon Valley heavyweights Uber Technologies and Airbnb as they prep for potential initial public offerings expected as soon as next year.

In one of the first demos, Magic Leap’s much-hyped One Creator Edition headset provides a look at the future of augmented reality and computer interaction.

New York moved to become the first city in the U.S. to cap ride-hailing services including Uber and Lyft, freezing new vehicle licenses for one year while it studies the fallout from the booming industry.

Twitter Chief Executive Officer Jack Dorsey tweeted that his platform wouldn’t join other tech firms in banning parts or all of Mr. Jones’ content. His reason: He hadn’t violated Twitter policy.