When Hurricane Maria’s 250-kilometer-per-hour winds slammed into Puerto Rico on September 20, they spurred floods, destroyed roads and flattened homes across the island. A week-and-a-half later, parts ...
A half-century ago humanity sent its first postcard to the stars, carried by a narrow beam of radio waves. It was November 16, 1974—a turbulent time on planet Earth. The cold war was reaching its ...