Airbnb agreed to turn over information on 17,000 residences, so city officials can look for signs of illegal short-term rentals.

REI's big Anniversary Sale is still on through Memorial Day. It's the best time of the year to pick up all the wetsuits, mountain bikes, and coolers that you'll need. These are our favorite new and remaining deals in stock.

Catch up on the most important news from today in two minutes or less.

By invoking the Espionage Act against Julian Assange, the Justice Department will effectively put national security journalism on trial.

Facebook’s latest report lays out the sheer scale of its battle against fake accounts, spam, and other abuses.

Aurora is buying Blackmore, whose “Doppler lidar” system can determine how far away an object it, and its speed.

Also, Arnold Schwarzenegger is, uh, back.

Using mice whose neurons had been engineered to respond to light, researchers can dial up or down the emotional intensity of a memory.

Not every fan finds the answers they seek. The truth is all there in this one image.

Photographers Roberto Conte and Stefano Perego traveled to four former republics for their latest book.

A craft beer subscription service ensures this mini keg fridge is always kickin'.

For those of us confined to tiny balconies, or even a roof, grilling is a challenge. But it's not impossible.

By going big on small satellites, the new Space Development Agency plans to defend the country against all manner of orbital attacks.

States were given almost $3 billion from Volkswagen’s diesel scandal settlement to buy cleaner vehicles. But many are buying more diesels, a report shows.

Amid escalating tension with China, executives at Google and Facebook argue that tough regulations against tech will hurt US competitiveness.

GitHub’s new Patreon-like service aims to reward developers for maintaining free software, and bolster the open source ecosystem.

Which means Elon Musk’s “mass transit” tunneling company has its first official customer.

Catch up on the most important news from today in two minutes or less.

Facial recognition technology has proliferated unchecked in the US so far. Congress finally seems ready to do something about it.

The US joins China, the European Union, and South Korea, in ruling that Qualcomm violated laws in how it licenses its smartphone chips.

Amazon's shareholder resolutions on climate change and facial recognition technology didn't pass. Here's why they matter anyway.

A clever study finds communities of foraminifera, a hard-shelled kind of plankton, have transformed dramatically since the Industrial Revolution.

A USC team won the collegiate space race by sending a rocket above the Kármán line, the imaginary boundary that marks the end of Earth’s atmosphere.

ARM designs the chips that power everything from smartphones to data centers. Without it, Huawei has few good options.

A world champion thrower explains how a boomerang flies, and how to augment its performance.

Director Stefon Bristol's Netflix feature isn't concerned with the past or the future—it's worried about the present.

The US declared measles eliminated in 2000, but it could lose that status in September—entering a darker era of heightened infectious disease risk.

Fake accounts spread white-nationalist messages and amassed larger followings than actual far-right parties before being taken down, according to a new report.

Catch up on the most important news from today in two minutes or less.

The Trump administration barred US companies from doing business with Huawei, forcing the Chinese firm to find new chips and software for its products.

On the heels of embarrassing disclosures from Facebook and Twitter, Google reveals its own password bugs—one of which lasted 14 years.

Opinion: FCC chair Ajit Pai says the deal is in the public interest. Except it would raise prices, reduce competition and innovation, and harm low-income Americans.

Three years in, Rec Room has become a robust hub of user-generated content.

Apple's flagship laptop line gets a speed bump.

Marvel at the median income at Google and Facebook, but remember: Reducing the pay of tens of thousands of people to a single number has its shortcomings.

Six down. Four to go.

The kilogram is now based on energy changes in the quantum world rather than a physical object. Here's how that works.

The Treadwell is a simple, inexpensive bike for getting around. And it has a sensor built into the wheel that lets you log (and study) all of your rides.

Vizio's almost-top-end 4K TV is a dazzling testament to the power of quantum dots in a LCD display. Our full review of the 65-inch and 75-inch models.

The push to end opioid abuse has ended up hurting the people who use the drugs legitimately. Now those chronic pain patients are starting a movement of their own.

Some combination of data and machinery may finally provide an objective marker of pain—but beware of bias.

Making abortion mostly illegal will kick off an unintentional, vast experiment in public health—one where the outcomes are sick or dying women and children.

In a two-week test, startup TuSimple will transport mail for the US Postal Service between Phoenix and Dallas.

Catch up on the most important news from today in two minutes or less.

How good is 'Jeopardy!' champ James Holzhauer? You have to see it to believe it.

Three years after the DNC hack, a new report finds that political parties around the world have ongoing security flaws that leave them vulnerable to attack.

HBO's drama will always have alternative interpretations, debates about its meaning, and revisionist histories—especially now that it's over.

Ajit Pai said he's satisfied with the companies' promises to build a 5G network and spin off a subsidiary brand. The Justice Department still has doubts.

The series finale was better than some expected—but still wildly disappointing.

Also, here's your first look at the third season of 'Westworld'.