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Driving a Prius and putting up solar panels aren't the only options for cooling the earth's climate. More radical ideas include brightening clouds, creating giant algae blooms in the ocean and launching spacecraft to deploy giant sunshades. It might sound a bit far-fetched, but scientists are considering ideas like these — known as geoengineering — to alter the climate.

Pawnshops, payday lenders, check cashers and rent-to-own companies take in $33 billion a year. In writing his new book, Broke, USA, Gary Rivlin discovered how the businesses justified making huge profits off the working poor.

Verdi's Il Trovatore remains one of the most popular operas of all time, but it walks a fine line between tragedy and farce. Find out who threw which baby into the fire in this production from the Maggio Musicale in Florence, Italy.

Five years ago, Tom DeBaggio told his personal story about his battle with early-onset Alzheimer's. A return visit finds the former nursery owner less sure of himself — and scared to death of getting lost again.

Gluck's operatic reforms emphasized simpler, more straightforward musical forms which served to heighten the drama, especially in 'Iphigenia in Aulis.' It's the classic story of a young woman whose father summons her for a wedding, but instead offers her up as a human sacrifice.

The Justice Department has asked a federal court to vacate its order that Apple write software to help the FBI access data in the San Bernardino shooter's iPhone.

Up until very recently, sledding on Capitol Hill was illegal. This weekend's snow was the first chance for kids to hit the slope — without fear of arrest.

A 1996 NPR interview with Clinton has been getting renewed attention on social media. She says her political beliefs stem from a different kind of conservatism and her political beliefs have changed.

Microsoft's artificial intelligence chatbot was supposed to mimic a teenage girl. Instead, internet trolls tricked it into spouting hate speech. BuzzFeed tech reporter Alex Kantrowitz explains how.

Boxing titan George Foreman remembers Muhammad Ali, a dear friend and one-time rival in a historic fight in 1974. Ali died Friday at age 74.