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OpenAI's decision to hold back the model, called GPT-6.1 Astra, comes amid a broader push within the industry to slow the development of increasingly autonomous systems until safety measures catch up.

Fifty years ago, Daniel Ellsberg leaked classified information about U.S. policy in Vietnam to the press. We listen back to archival interviews with Ellsberg and Ben Bradlee of The Washington Post.

President Trump first tweeted that he had tested positive for the coronavirus early Friday morning. But questions remain about what exactly happened before and after.

Alcohol makes people lose inhibitions. And maybe take off their masks, and get up close and personal. Here's why you may want to steer clear of bars for now, or at least take these extra precautions.

Think of the routine jobs health workers do in a hospital: Sticking a needle in a patient's arm. Cleaning up vomit. Escorting a patient to a bed. Now imagine doing those tasks for someone with Ebola.

After two master's degrees and three children, Hilary Gordon is one of the women who now make up more than half of the contractors at food delivery apps like Instacart. NPR spent a day with her.

There are dozens of competitive races across the country that will determine control of the House, Senate and governors' seats. Here are the pivotal seats that could unlock what happens.

Hurricane Sandy, the superstorm that's headed north from the Caribbean, is expected to make landfall along the New Jersey coast. Its impending arrival prompted the evacuation of hundreds of thousands.

The resilience of the "Big Lie" is prompting consternation and creative efforts to reach those who remain adamant — despite all evidence to the contrary — that the 2020 presidential vote was rigged.

Griner's new memoir recounts being humiliated by guards, of the pain from squeezing her 6-foot-9 frame into cramped beds and cage, and cutting her locs because it was so cold that her hair froze.