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Millions of people want caffeine removed from their coffee. Millions more want caffeine added to their soda. Little-known caffeine factories, scattered across the world, satisfy both desires.

Long before cooking was common, early humans needed extra energy to fuel bigger bodies and brains. Scientists say simple stone cutting tools likely allowed small-toothed meat eaters to thrive.

The group behind the Grammys has created a new lobbying group. We speak with the co-chair, music producer Harvey Mason Jr.

Whatever Congress might come up with would certainly be controversial — and this is an election year. That hasn't stopped some lawmakers from taking sides in the privacy vs. national security debate.

Brown University student Sunil Tripathi disappeared just before the Boston Marathon bombing, and was accused of being involved in the attack. A new documentary looks at the effects of the allegation.

Ten years after Grandaddy's last album, the Modesto, Calif. band has released two new songs. Singer Jason Lytle reveals the emotional turmoil behind his return to the band's signature distorted pop.

Researchers analyzing recent drug spending in the U.S. say that high-priced drugs for rare diseases aren't having a widespread or significant effect on overall health care spending.

Roger Ailes ran Fox News by projecting power rather than trustworthiness. NPR takes a renewed look at the network in light of this summer's revelations.

Wells Fargo CEO John Stumpf goes before the House Financial Services Committee on Thursday to further respond to questions about the misuse of customer accounts. Former employees are suing the bank.

Algorithms teach computers how to process language. But because they draw on human writing, they have some biases. Researchers are trying to weed out those problematic associations.