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Climate researchers say the cooling effect of air pollution may be underestimating the intensity of global warming.

Powerful artificial intelligence tools that can create video, audio, text and pictures are raising fears the technology will supercharge disinformation and propaganda by bad actors.

There is humanity in the evidence that a Stone Age child was interred wrapped in a cloak and with a dog.

Nodding syndrome is a rare neurological condition that can result in head nodding and violent seizures. Some researchers think they know the cause, but questions remain.

A federal science agency says that levels of the main global warming gas have shot past a key milestone.

Nobody wants to infect their friends and family, but do you really have to keep isolating at day 12, 13 or beyond? Unfortunately — and perhaps unsurprisingly — the science is not entirely settled.

Mike Gerson, the Washington Post columnist and former speechwriter for George W. Bush, died this week from cancer at the age of 58. NPR's Scott Simon has an appreciation.

Press advocates said the move sets a dangerous precedent and worried about future moves against journalists who cover the billionaire.

For the last decade, the Metropolitan Transit System has been sending old trolley cars to Mendoza, Argentina.