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President Trump said Chinese leader Xi Jinping approved a deal for a group of American investors to take control of TikTok’s U.S. operations. Photo: Mandel Ngan/AFP/Getty Images The future of TikTok ...

You’re at the checkout screen after an online shopping spree, ready to enter your credit card number. You type it in and instantly see a red error message ...

Add Yahoo as a preferred source to see more of our stories on Google. Math shouldn’t be harder than finding the last matching sock in your laundry. These clever shortcuts convert head-scratching ...

Quantum computers still can’t do much. Almost every time researchers have found something the high-tech machines should one day excel at, a classical algorithm comes along that can do it just as well ...

A key question in artificial intelligence is how often models go beyond just regurgitating and remixing what they have learned and produce truly novel ideas or insights. A new project from Google ...

Reddit shares fell more than 15% on Wednesday after the company reported weaker-than-expected user numbers in its fourth-quarter earnings. Global daily active uniques, or DAUq, rose 39% from a year ...

Reddit shares fell more than 15% on Wednesday after the company reported weaker-than-expected user numbers in its fourth-quarter earnings. Stream NBC 5 for free, 24/7, wherever you are. Global daily ...

New X users with interests in topics such as crafts, sports and cooking are being blanketed with political content and fed a steady diet of posts that lean toward Donald Trump and that sow doubt about ...