NEW YORK -- The head of the United Nations said he believes the U.S. can still pull its weight on climate change, even though President Donald Trump is skipping a U.N. climate summit on Monday and has worked to roll back restrictions on everything from vehicle to power plant emissions.

Cities and businesses are helping fill part of the void ...Read more

Twitter on Friday continued its crackdown on what it considers improper content by removing more than 10,000 accounts for spreading political misinformation and unrest.

Twitter said the accounts included more than 4,000 found to be operating out of the United Arab Emirates, and 4,000 others from China. More than 1,000 accounts came from Ecuador...Read more

After nearly a decade of field trials and demonstrations, a Seattle-born nanomaterial that is 30 times more corrosion-resistant than traditional galvanized steel is poised to go mass market.

On Wednesday, Seattle-based Modumetal announced a joint venture with a Toyota subsidiary that will use its high-tech galvanizing process to make millions ...Read more

Facebook on Wednesday took another step in its efforts to gain a piece of the home video-communications market by taking the wraps off of Portal TV, a new set-top box for streaming TV programs and video chats.

In a company blog post, Facebook said that Portal TV will cost $149; they'll be shipped Nov. 5. The device will include streaming TV ...Read more

Facebook on Tuesday revealed how it plans to handle disputes over its content decisions, detailing how its purportedly independent "Oversight Board" will operate.

Facebook users who object to a content decision by the company or the algorithms it uses to approve or remove content, and who have exhausted appeals, will be able to request a review...Read more

Q: I received what appears to be a scam e-mail from Computer Help Security & Services. It urged me to renew my membership or call their telephone number to cancel (and thus avoid an impending $300 renewal charge to my account). I've never done business with this company, but is it possible they have my credit card number? Should I just delete ...Read more

SEATTLE -- Amazon's new Alexa Answers program, which encourages unpaid volunteers to fill in gaps in its databases to better respond to user queries, raises a host of questions about information quality and transparency in the fast-evolving voice computing era.

Many people make purchases, control home automation systems, play music and ask ...Read more

LOS ANGELES -- On a quiet road south of Ventura Boulevard, two cameras on a pole watch over the road, facing opposite directions.

A block away, another brace of cameras sit sentry. Together, they constantly film the two points of entry to a closed loop of public streets in Sherman Oaks.

Nearby, on a dual-screen setup in the basement of his ...Read more

Ready or not, here they come: Scientists who played hide and seek with rats found that their furry subjects seemed to love the game -- and they were remarkably good at it.

The unconventional experiment, described in Friday's edition of the journal Science, sheds light on the sophisticated sense of play in these tiny rodents and the complex ...Read more

What do you get when you divide $3 million by 347? A Villanova University senior is about to find out.

Actually, this student can probably do the math in his head.

Jadyn Anczarski, who is majoring in physics, learned this month that he and assistant professor Joey Neilsen each will get a share of the $3 million Breakthrough Prize in ...Read more

SAN DIEGO -- Ten years ago computational neuroscientist Dr. Eugene Izhikevich walked away from a successful career in academia to co-found Brain Corp. with the ambitious goal of building artificial brains for robots.

These days when the Russian-born Izhikevich lands late at San Diego International Airport, he sometimes sees the fruits of that ...Read more

SAN JOSE, Calif. -- After facing lawsuits and criticisms related to the safety of its riders, Lyft said it will implement new measures designed to improve the security of its customers and its drivers.

In a blog post Tuesday, Lyft co-founder and President John Zimmer said that the San Francisco-based ride-hailing company will now partner with ...Read more

WASHINGTON -- With Big Tech accused of everything from decimating industries to abusing privacy, calls are growing for the creation of a federal regulator.

Presidential candidates, consumer advocates and some antitrust enforcers have focused on breaking up Amazon.com Inc., Apple Inc., Facebook Inc. and Alphabet Inc.'s Google -- or at least ...Read more

Q: Over the last three years, I've been the victim of harassment via the internet and cellphone calls. I've reported it to the police and the FBI, but they haven't been able to stop it. Do you have any idea what I can do about the following:

-- My husband and I use Wi-Fi to access the internet on our iPhones, but I'm having trouble logging in ...Read more

Apple on Tuesday kicked off its annual holiday season push by revealing more details about how it intends to make a splash in the streaming television market with its upcoming Apple TV+ subscription service.

Apple CEO Tim Cook said the Apple TV+ will make its debut Nov. 1, with some original programming and other TV shows and movies. In a move ...Read more

CHICAGO -- McDonald's on Tuesday announced plans to acquire a voice technology company to help speed up ordering at the drive thru, the latest in a series of high-tech investments by the fast-food chain as it strives to improve wait times and draw customers to its restaurants.

McDonald's declined to disclose the terms of its agreement to buy ...Read more