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Google's Bard, an answer to Microsoft's ChatGPT, delivered a factual error in a search demo that the company shared widely. That sent Alphabet's market value plummeting this week.

In the Indian state of Meghalaya, one of the wettest places on Earth, villagers are separated by rivers and valleys. To stay connected, they coax tree roots to grow together into living bridges.

The phenomenon happens every year – but the 2020 version is especially large and imposing, experts say.

Lawmakers are looking into how the big online platforms are displacing mainstream media and what that means for democracy.

Over 200 engineers and others joined the Alphabet Workers Union, a big win for labor organizing in largely anti-union Silicon Valley. They are supported by the Communications Workers of America.

The tech giant hopes the test of flying hotspots will bring service to billions of people in remote areas such as Africa and Southeast Asia.

When it was announced in 2007, the prize's organizers said they expected it to be claimed before the original deadline of Dec. 31, 2014. One team raised more than $90 million.

After Hurricane Katrina, 20,000 people faced difficulty getting government aid to rebuild, because they couldn't prove they owned their homes. NPR's Michel Martin speaks with University of Texas Law Professor Heather Way about how the same thing could happen after Hurricane Harvey.

Internet search engine Google is drawing praise from civil libertarians for its refusal to hand over records about the search requests of millions of its users to federal prosecutors. Government lawyers say they need the information to defend a law meant to protect children from online pornography.

Some AI models have shown an ability to deceive their users, while others have proved so persuasive that researchers say they're concerned about their effect on the public.