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Vaping has produced a diverse community of aficionados with all sorts of subspecialties. One vape-juice "mixologist" sells her recipes for as much as $1,500, while custom-made devices go for $3,000.

Recently, the idea of contact tracing has triggered some colorful misinformation campaigns. It's actually a tried-and-true public health tool that can curb the spread of the coronavirus.

At the international AIDS conference last week — held virtually — concerns were shared about the impact of the novel coronavirus on efforts to fight AIDS.

A new NPR/Harvard analysis finds most states' testing efforts still fall far short of what's needed to beat back the pandemic. Find out how your state is doing.

As gyms open for business, new rules aim to limit the spread of COVID-19, including spacing equipment, regular cleanings and limiting attendance. But experts say it's still safer to exercise at home.

Brothers Billy and Nick Smith have designed a reusable mask that's knit, not sewn. Seamless and sustainable, it's made from polyester, spandex, nylon and an antimicrobial silver-coated yarn.

A U.S. firebombing campaign targeted Toyama and other Japanese cities, killing 180,000 before the atomic bombings of Hiroshima and Nagasaki, write geographer Cary Karacas and historian David Fedman.

Heritage experts say hundreds of thousands of pieces have been looted at archaeological sites and museums. As the illegal trade in antiquities continues, Iraq is trying to get objects returned.

Former first lady Michelle Obama stole the show as Democrats tried out a glossy, highly produced, made-for-TV special to replace the energy of a live crowd at a convention.

Scientists from around the world are writing the next major United Nations climate report. Summarizing the state of the atmosphere without meeting in person is as hard as it sounds.