Thirty years ago, two spacecraft blasted from Earth loaded down with special tunes for aliens. Voyager 1 and its twin, Voyager 2, carried 27... Voyagers' Records Wait for Alien Ears Voyagers' Records ...

For 75 years, scientists have consistently pondered the Fermi Paradox, which asks why we don’t hear from other civilizations when there are so many Earth-like worlds in the galaxy. A recent study ...