NASA engineers are hanging up on the agency’s Opportunity Mars rover after 835 unanswered wake-up calls, following 15 years on the red planet.

Washington’s campaign to get some of its closest European allies to give up telecommunications gear made by Chinese companies has been a tough sell.

The Organization for Economic Cooperation and Development is seeking public input on proposals to determine where the profits of digital companies such as Facebook should be allocated, and who gets to tax them.

China is counting on promises of big purchases of semiconductors and other U.S. goods to ease trade tensions and persuade President Trump to extend a tariff truce and later resolve the market-rattling dispute directly with Chinese leader Xi Jinping.

Amazon is abandoning plans for a headquarters in New York City after facing resistance from some local politicians who objected to giving the company billions of dollars in tax incentives.

As more employers launch high-tech wellness programs that keep tabs on workers’ exercise, sleep and nutrition, employees worry about privacy and the consequences of opting out.

SoftBank is investing nearly $1 billion in a robotic-delivery vehicle startup, a hefty injection of capital that could help accelerate the race to put driverless vehicles on the road.

The Trump administration is proposing steps aimed at improving patients’ access to their own health data, bolstering efforts to bring information including insurance claims, hospital and doctor records to digital devices such as smartphones.

Reddit was valued at $3 billion after a new financing round for the discussion forum that brought in Chinese internet giant Tencent as an investor.

Jon Fine, the National Enquirer attorney at the center of what Jeff Bezos is calling a blackmail attempt, used to have a much different relationship with the Amazon founder. For nine years, Mr. Bezos was his boss.

President Trump is expected to sign an executive order Monday aimed at boosting U.S. development of artificial intelligence—and at blunting China’s momentum in the field.

The Amazon CEO cultivated a persona of the billionaire who did dishes, until his company moved into Hollywood. There, he took on the trappings of a very different lifestyle, where people and events are much harder to control.

Spotify, the world’s biggest music-streaming company, is buying a pair of podcasting firms, accelerating its investment in nonmusic content as it seeks to broaden its appeal and snap up share of listening time from radio.

Videogame stocks tumbled after two of the industry’s biggest publishers showed how difficult it is to escape the long shadow of “Fortnite.”

SoftBank has spent at least half of its nearly $100 billion Vision Fund in less than two years, increasing the pressure to raise more money if the world’s biggest tech investor wants to maintain that pace.

President Trump is preparing to ramp up the government’s role in promoting next-generation technologies such as 5G wireless and artificial intelligence, two key areas of competition with China.

The video-chat app Houseparty has built a core audience among fickle teenagers. Now it must demonstrate that its business model can produce financial results as well.

As more Americans keep loaded guns in their homes, efforts to sell them new kinds of safety locks are getting stuck by policies intended to block ads for firearms online.

Shares of Electronic Arts tumbled more than 17% after the videogame maker swung to a profit but reported revenue for the holiday quarter shy of its already reduced forecast.

Snap posted record revenue in its latest quarter and narrowed its loss considerably, as the social-media firm rode a boom in online advertising to inch closer to profitability.

Apple said its head of retail, Angela Ahrendts, is leaving the company in April after joining the tech giant in 2014 from Burberry. She will be succeeded by Vice President of People Deirdre O’Brien.

Apple Inc. apologized for a security flaw in its FaceTime video-chat system and said a software fix is coming next week.

Spotify is in talks to buy podcasting group Gimlet Media, a move that would give a boost to the music-streaming company’s narrative-audio ambitions.

With a power move against two of its biggest rivals, Apple reminded the world what power it has over not only other major companies, but anyone using an iPhone.

Facebook and Twitter said they removed hundreds of fake accounts from Iran and Venezuela spreading misinformation on their social-media platforms.

Tesla’s latest C-suite shake-up will thrust a 34-year-old relative unknown, Zach Kirkhorn, into the spotlight as financial chief of one of the most heavily scrutinized Silicon Valley companies.

Intel named as its new CEO Bob Swan, the finance chief who was acting CEO, at a time when demand for its once-hot data-center chips is cooling.

Apple is flexing its power as a self-appointed privacy protector, punishing Google and Facebook over violations of its developer policies governing personal data in moves that harden battle lines over one of the technology industry’s most sensitive issues.

Amazon.com capitalized on a strong holiday season and its high-margin businesses in its latest quarter, but India and increased spending loom as challenges to future results.

Facebook is planning a dedicated effort to fend off interference in the European Union’s parliamentary election campaign this spring, part of a broader effort to defend against political interference.

Nvidia lowered its quarterly revenue outlook by $500 million because of what it said was weakening demand in China and a rocky cloud-computing business, a revision that sent its already beleaguered shares down further.

At the annual World Economic Forum in Switzerland, some tech executives have a message for leaders concerned about their increasing size and power: We’re changing our ways.

The first generation that’s never known a world without smartphones and social media is savvier than its elders about technology—but also vulnerable to its pitfalls.

Keeping track of inventory and doing it quickly has become one of the most pressing supply-chain concerns for merchants as they try to put into place new strategies for selling and delivering goods under the fast-changing demands of e-commerce.

Google and Amazon.com are seeking ways to expand smart speakers, internet-connected thermostats and other devices to harvest data about consumers’ energy use.