Cindy Wang's whole life is on WeChat.

Through the Chinese everything app, the 24-year-old shops for clothing and sends photos and audio messages to her grandma and uncle in Guangzhou. It's how she schedules appointments with her hairstylist and where she found her bao supplier -- a local woman who sells the steamed buns out of her car.

For ...Read more

Walmart Inc. shoppers are a pretty loyal bunch. But when virus-spooked Americans began avoiding stores earlier this year and shifting spending online, far more Walmart customers went to Amazon.com Inc. than Walmart.com. So even though Walmart, too, has thrived as an essential service amid the pandemic, Amazon is benefiting more. In the first ...Read more

Q: When I bought a Windows 10 PC last year, I had all my Word files from Windows 7 transferred to the new computer. But I couldn't open those files using Word on Windows 10, and Word was unable to convert the files to a format that it could read. As a result, I had to use a program called Cool File Viewer that allowed me to open all my old ...Read more

Covid-19 may have left roads around the globe barren of cars, but it hasn't stopped China from claiming leadership over the world of navigation and digital mapping. Watch out, GPS.

Big plans are in the making. China has launched the final leg of its BeiDou Navigation Satellite system, or BDS, completing the build-out of a network that competes ...Read more

MIAMI -- Not long after the August full moon, Florida's reefs are the scene of an annual show of sexual reproduction called the coral spawn, with coral colonies releasing masses of tiny white, pink and orange spheres into the ocean.

This year, for the first time, corals raised by scientists in a lab and transplanted to the natural reefs are ...Read more

Solar energy production has made huge strides in recent years, as advances in photovoltaic technologies -- the underpinnings of solar panels -- have made it easier and cheaper to harness energy from the sun.

In North Carolina, this can be seen from the growing number of solar panel farms that dot the countryside, giving the state the second-...Read more

President Donald Trump's push for the sale of TikTok to a U.S. company marks a major escalation in his battle to keep data on American citizens out of Chinese hands and a move that, if successful, would be nearly impossible to overturn under U.S. law.

Trump's demand has set off a geopolitical tug-of-war, but it has ample precedent. The ...Read more

SAN JOSE, Calif. -- Federal prosecutors fighting Theranos founder Elizabeth Holmes's request for access to grand jury records invoked the case of a woman accused of throwing a Molotov cocktail at a New York City police van who made a similar but mostly unsuccessful bid.

The woman, Samantha Shader, who has pleaded not guilty to hurling a fire ...Read more

Q: Last year, the Western Digital external hard drive for my Windows 8.1 PC stopped working. I bought another Western Digital external drive, but it wouldn't work, either. I then bought a Seagate external drive and began using it last November. But by late July, I got an error message saying the external drive couldn't be detected, even though I...Read more

Autonomous driving engineer Anthony Levandowski was ordered to spend 18 months prison for stealing trade secrets from Google as he defected to Uber Technologies Inc., in one of the highest-profile criminal cases to hit Silicon Valley.

U.S. District Judge William Alsup in San Francisco imposed the sentence Tuesday after Levandowski pleaded for ...Read more

By going after TikTok, the U.S. is expanding a fight against Beijing using Chinese-style restrictions on tech companies in a move that could potentially have enormous ramifications for the world's biggest economies.

The Trump administration's threat to ban ByteDance Ltd.'s viral teen phenom and other Chinese-owned apps could significantly ...Read more

Apple Inc. has acquired Mobeewave Inc., a startup with technology that could transform iPhones into mobile payment terminals, according to people familiar with the matter.

Mobeewave's technology lets shoppers tap their credit card or smartphone on another phone to process a payment. The system works with an app and doesn't require hardware ...Read more

Seattle-based Porch.com plans to merge with a publicly traded company that has no operations, gaining a listing on Nasdaq and about $200 million in new capital.

The combination with PropTech Acquisition, a blank-check company that went public with such a transaction in mind, is expected to be completed by year-end, the companies said Friday.

...Read more