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The shipping industry is starting to move away from pollutant-intensive heavy fuel oil. Scientists and private companies are betting on a clean replacement technology: hydrogen fuel cells.

A small cylinder called Le Grand K has defined the kilogram for more than a hundred years. But if a scratch ever rendered it lighter, the definition of the kilo literally shifted. Time for a change.

Americans continue to say they approve of how the president is handling the coronavirus pandemic, but he may be running into speed bumps because of inflation and other issues.

Affluent professionals in India are doing what the affluent always have done: collecting art. But as prices soar, the quality of art — and of conservatorial facilities — isn't necessarily keeping pace.

The Grammy-winning singer-songwriter returned to Nashville to find a community of women determined to resurrect her career.

Deb Haaland, the country's first indigenous cabinet secretary, used her term at the Interior Department to make what activists say is irreversible impact in recognizing the painful history of the government's treatment Native Americans

At least 78 people are dead following flooding that slammed central Texas over the weekend, while a desperate search for 11 missing from a camp for girls continues.

NPR's Audie Cornish talks with Facebook Chief Operating Officer Sheryl Sandberg about the platform's efforts to control election disinformation.

In another record-breaking year, communities are realizing the best way to survive wildfires is learning to live with them.

The new faces on stage personified the change. Three were in their 30s, four in their 40s, with six women, five people of color and an Indiana mayor who mentioned his husband in his first answer.