More than a month after a federal judge halted a key portion of President Trump's executive order on voting, another judge has ruled that additional provisions of the order need…

A military assessment suggests a U.S. Tomahawk cruise missile was responsible for at least 165 deaths at an Iranian girls' school, according to a U.S. official who was not authorized…

Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades of guilt and the vital lessons that remain critical for NASA today.