SAN FRANCISCO -- Growth in ad sales and monthly users outside the United States were among the key figures that spurred a strong quarter for Twitter as the social-media company on Tuesday reported first-quarter sales that exceeded Wall Street's expectations.

Twitter, which put out its results before the stock market opened Tuesday, said it ...Read more

It's a cosmic pileup in the far reaches of the universe and nothing like it has ever been seen before.

Using the most powerful telescopes on Earth, astronomers have spotted 14 burning-hot galaxies hurtling toward each other on an inevitable galactic collision course at the edge of the observable universe.

Computer models show that when these ...Read more

SEATTLE -- In hindsight, the last week of March would have been the perfect time for Marc Barros to buy a lottery ticket. But even without it, the week was a pretty fortunate one for the Seattle startup founder.

His company, Moment, launched a Kickstarter campaign that reached its goal of $50,000 in 41 minutes. The startup then went on to mark ...Read more

If you're like many other parents and grandparents, you've taken thousands of photos as the children have grown up. Losing them to a computer crash or theft would be disastrous, which is why I'm the pest in the garden who bellows the three most important words in computing: Backup! Backup! Backup!

If all our photos were neatly labeled and filed...Read more

At a time of heightened concern about user privacy, one of the world's biggest technology companies is seeking access to one of users' most private places: the trunks of their cars.

Amazon Inc. on Tuesday launched what it calls In-Car Delivery, which allows Amazon delivery drivers to open the trunks of certain late-model cars and drop off ...Read more

Q: I bought a Linksys router and then switched our computers and phones (but not our Roku TV device) to Norton security software. Recently, my wife and I received Norton warnings on our phones that our Wi-Fi had been compromised, even though Norton also showed that our Wi-Fi had strong encryption. Then I read that the Russians have for years ...Read more

"We still have a lot of work to do," Uber said Tuesday as it released its latest company diversity report, revealing that women made mild gains in tech jobs over the last year at the ride-sharing giant.

Uber said men account for 82 percent of tech-related positions at the company, with women making up the remaining 18 percent. The percentage of...Read more

DURHAM, N.C. -- Their eyes are still tightly shut and they can't quite howl just yet, but Durham is welcoming three new wolf pups to the highly endangered pack.

Fewer than 300 red wolves are alive today. A female at the Durham Museum of Life and Science gave birth to a litter of pups on April 21.

The museum announced the births of the pups on ...Read more

Tesla and a contracting company failed to pay contract workers fully for overtime and denied them legally mandated meal and rest breaks, a contract employee at Tesla's Fremont auto-assembly plant said in a lawsuit that also claims she was fired for complaining about employee-payment practices.

Dorley Nezbeth-Altimore, who said in a court filing...Read more

EDITORS: Please kill CPT-APPLE-TAXES:SJ (Crum), which moved earlier Tuesday. This story was not staff written. This is a mandatory kill.

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Seattle technology company Tableau released a new product and pricing model Tuesday, moves to make it more appealing to big companies as Tableau squares off with Microsoft and other competitors.

The company, which develops software to create various visualizations of data, launched new technology that helps workers quickly sort and prepare ...Read more

Sometimes forgotten in the spiraling U.S. crisis of opiate abuse is a clinical fact about narcotic pain medications: addiction is basically an unwanted side effect of drugs that are highly effective at blunting pain.

Addiction, of course, is a particularly dangerous and disruptive side effect, since it hijacks a patient's brain and demands ...Read more

For the first time, scientists have detected a DNA structure inside living human cells that looks more like a four-stranded knot than the elegant double helix we know from biology textbooks.

The tangled shape, known as an i-motif, had been seen before in the lab, but nobody thought it could occur in human cells -- until now.

The new work shows...Read more

Google is launching a new text messaging system for its Android platform to challenge Apple's iMessage in smartphone text messaging supremacy.

With Chat, Google is updating its current Short Messaging Service-run Android Messages app so that it can send and receive high-definition images and videos, set up group texts and allow reading receipts...Read more

CHICAGO -- It seemed like a killer idea: combat sexist harassment in online video games by unleashing hit squads of talented female players to slay the bullies.

But after marketing agency FCB Chicago launched "Bully Hunters" last week with a splashy livestream, the campaign was mocked by gamers, criticized by harassment experts and disowned by ...Read more

SEATTLE -- Airbus, Bill Gates and Japanese billionaire Masayoshi Son have joined to back a spinoff from Bellevue, Wash.-based Intellectual Ventures that aims to launch a constellation of imaging satellites "that will deliver real-time, continuous video of almost anywhere on Earth."

Russell Hannigan, founder and chief executive of the new ...Read more

You walk into the grocery store with the best intentions, filing your cart with kale, broccolini, tofu and Greek yogurt.

Then you get home, feel pressed for time and order a pizza.

Before you know it, the perishables are going bad at the back of the fridge. They'll wind up in the trash, like so many other well-intentioned meals that never came...Read more