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USA

Spacecraft that sail on sunshine could be the next big thing in spaceflight

These solar sails could herald a new era of spaceflight in which spacecraft forgo the rocket motors they've relied on for decades.

USA

Google confirms big outage of YouTube, other major services

Google blamed "high levels of network congestion" in the East for outages affecting YouTube, GMail, Google Voice, Calendar and many other services.

USA

Facebook in court says 'there is no privacy'

Some privacy advocates remain concerned that Zuckerberg's "privacy-focused vision" leaves the company's core business of data-targeted ads mostly unscathed.

USA

El Niño is back. Is it to blame for our severe weather woes?

Even weak El Niño conditions can have significant impacts on weather patterns around the planet.

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USA

The gig could be up in California for Uber and Lyft

For Uber and Lyft drivers, among others, the law would mean a bevy of legal rights and protections, including better pay, benefits and the ability to unionize.

USA

What's the difference between a hurricane and a tornado?

Hurricanes and tornadoes produce strong, swirling winds, but they differ in size and duration as well as in how, when and where they form.

USA

'Should these platforms exist at all?': One GOP senator's crusade to rein in — and rethink — big tech

Sen. Josh Hawley of Missouri, the chamber's youngest lawmaker, says breaking up the giants might not be enough.

USA

It's rare for a tornado to hit a big city — but that may not always be the case

"These are very low probability events, but if and when they occur, they will likely be devastating."

Spain

Could this drone help save migrant lives in the Mediterranean?

Spanish engineers are developing a specially-adapted drone that can aid lifesaving migrant search and rescue operations in the Mediterranean Sea.

USA

Mark Zuckerberg's personal security chief accused of misconduct by former staffers

The Facebook CEO's security chief was placed on leave during an investigation of the allegations, brought by former staffers of the Zuckerberg household.

USA

Ancient star explosions could have led early humans to walk upright

Scientists say supernovas blasted the early Earth with radiation that triggered forest-razing wildfires, prompting early humans to become bipedal.

United Kingdom

Lift off looms for world's first international jet suit races

Three Jet suit pilots took to the skies over Gloucester Docks, England, to demonstrate their manoeuvres.

USA

In U.S.-China trade war, rare earth elements are latest flashpoint

The elements are a crucial component of products that cut across the U.S. economy, not only in the tech sector but the energy, automobile and defense industries as well.

USA

Pelosi slams Facebook for refusing to take down doctored videos

Hillary Clinton called the Pelosi video "sexist trash" during a commencement speech at Hunter College in New York on Wednesday.

USA

How did Earth get its water? Scientists think they know

A new theory holds that the same cosmic collision that created the moon more than 4 billion years ago brought water to our planet.

USA

AI just finished Franz Schubert's 'Unfinished Symphony'

Artificial intelligence is giving composers new tools for composing and collaborating, but some see a downside.

USA

Uber will starting banning riders with low ratings

"Respect is a two-way street, and so is accountability," the company said in a statement explaining the new policy

USA

'It's an enemy of women': Saudi sisters recount how an app kept them down — until they tricked it

The Absher app, which provides access to government services, has drawn international scrutiny for its role in perpetuating Saudi Arabia's guardianship system.

USA

What's fueling the spate of recent tornadoes across the U.S.?

Scientists say the number of tornadoes per outbreak is increasing, but explaining this uptick has been challenging.

USA

Video game addiction is a mental health disorder, World Health Organization says

The WHO calls gaming addiction "a pattern of persistent or recurrent gaming behavior" so severe it "takes precedence over other life interests".