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A high school athletic director in the Baltimore area was arrested after he used A.I., the police said, to make a racist and antisemitic audio clip.

For years, federal lawmakers have tried to pass legislation to rein in the tech giants. The TikTok law was their first success.

Despite Mark Zuckerberg’s hope for the chatbot to be the smartest, it struggles with facts, numbers and web search.

The group intends to fight what its leader, Nina Jankowicz, and others have described as a coordinated campaign by conservatives and their allies to undermine researchers who study disinformation.

Jackson Hinkle’s incendiary commentary has generated over two million new followers on X since October — a surge that some researchers say is aided by inauthentic accounts.

Using artificial intelligence, middle and high school students have fabricated explicit images of female classmates and shared the doctored pictures.

Oren Etzioni was once an optimist about artificial intelligence. Now, his nonprofit, TrueMedia.org, is offering tools for fighting A.I.-manipulated content.

China has adopted some of the same misinformation tactics that Russia used ahead of the 2016 election, researchers and government officials say.

The start-up is sharing the technology, Voice Engine, with a small group of early testers as it tries to understand the potential dangers.

Her music has quietly reappeared on the streaming service, two years after a departure over what she called “lies” about Covid-19 vaccines in podcasts.

Whether it is just for kicks or propelled by genuine doubt, the unsupported claims about celebrities and public figures keep gaining traction online.

As the Ukraine war grinds on, the Kremlin has created increasingly complex fabrications online to discredit Ukraine’s leader and undercut aid. Some have a Hollywood-style plot twist.

The justices tried to distinguish between persuading social media sites to take down posts, which is permitted, and coercing them, which violates the First Amendment.

When the hashtag #EndFathersDay began trending on Twitter, she realized it was more than a joke. It was a coordinated disinformation effort.

Anthropic, OpenAI, Google, Meta and other key developers are acting to prevent the technology from threatening democracies, even as their tools become more powerful.

The start-up is sharing the new technology, called Sora, with a small group of early testers as it tries to understand the potential dangers.

The move by the agency follows a phony call last month that was made to sound like President Biden telling New Hampshire voters to stay home.

The people on 4chan who created the images of Ms. Swift thought of it as a sort of game, the researchers said.

Fans of the star and lawmakers condemned the images, probably generated by artificial intelligence, after they were shared with millions of social media users.

Civil rights lawyers and Democrats are sounding alarms about Mr. Musk’s claims about voting. The Biden campaign called his posts “profoundly irresponsible.”

The calls, in a voice most likely artificially generated, urged people not to vote in Tuesday’s primary.

El supuesto patrocinio de Swift a los productos de la empresa, que ha aparecido en anuncios publicados en Facebook y otros medios, es falso.

The singer did not promote a giveaway of the popular cookware, but an artificially generated version of her voice suggested otherwise.

In the hands of anonymous internet users, A.I. tools can create waves of harassing and racist material. It’s already happening on the anonymous message board 4chan.