Dermatologists often recommend nicotinamide — a form of Vitamin B3 — following skin cancer. A study of nearly 34,000 veterans finds this supplement reduces the risk of skin cancer recurrence.

The Yale Humanitarian Research Lab says Russia's network of sites for Ukrainian children is larger than previously thought, and programs includes military training for children as young as 8.

The Department of Justice is escalating its demands for sensitive data from voting officials, suing two Democratic-controlled states who have thus far rebuffed the department's requests.

New York Times reporter Robert Draper explains Kirk's rise and legacy. He was killed Sept. 10. Draper also discusses conservative commentator Nick Fuentes, a rival of Kirk's with a large following.

Susan Monarez says RFK Jr. told her to commit to decisions in advance, without reviewing evidence and to dismiss vaccine experts.

President Trump's decided to use missile strikes to take out three boats that he claims are transporting drugs.

Trump on Monday said he planned to send National Guard troops to Memphis. The news gives fresh relevance to NPR's recent interview with Illinois Gov. JB Pritzker, who declined to ask for the military.

A portion of the internet believes that one way to tell when the Pentagon is about to start a big military operation is to track pizza deliveries.

President Trump is making his second state visit to the United Kingdom.

Far-Flung Postcards is a weekly series in which NPR's international team shares moments from their lives and work around the world.