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Indoor pools can have a distinct odor caused by chlorine binding to body waste. A Minnesota student invented a device to measure chloramine levels.

It's been a year since a gunman murdered Minnesota state Sen. Melissa Hortman, which is reflected on by another state senator who was also targeted.

A dozen miles away from the World Cup games in New York/ New Jersey Stadium, Palestinian-American kids turn to soccer as an escape from the realities of war.

Opal Lee is known as the Grandmother of Juneteenth. NPR's Mary Louise Kelly talked with her in 2024 about her activism, and her hopes for the future.

Some supporters view the Obama Presidential Center as a welcomed investment in a historically underserved area, while long-time residents and community members worry it may accelerate gentrification.

The luxury Boeing 747, initially valued at $400 million, arrived ahead of schedule on Friday. The jet caused controversy as one of the biggest foreign gifts ever received by the U.S. government.

While a bill to study slavery reparations has failed to advance for decades, the Trump administration's 'anti-weaponization fund' could have used a source that exists due to other reparations efforts.

The shallow, sunny waters of the reflecting pool are an ideal incubator for algae growth in the summertime. Experts say the recent renovation may have helped accelerate it.

Here's a look at the preliminary agreement between the U.S. and Iran, and the challenges that remain to find lasting peace.

A document from the Department of Homeland Security outlines plans to issue local police facial recognition technology used by federal immigration agents, a move that will expand the scope of ICE surveillance.