Dr. Vakoch is the president of METI International, a nonprofit focused around extraterrestrial communication. On Nov. 16, 1974, scientists fired off a nearly three-minute radio message into space with ...
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 ...
Rebecca Charbonneau is a historian at the American Institute of Physics, College Park, Maryland, and the author of Mixed Signals: Alien Communication Across the Iron Curtain. As the electronic signals ...
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