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The Alien Seekers of SETI Are Just Getting Started

For 50 years a devoted group of scientists has been listening for signals from intelligent life. Despite all the dead air, the true believers say the odds of success are now better than ever.

The Alien Telescope Array in Hat Creek, California, has been listening for signals from ET since 2007.Seth Shostak/Seti Institute

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For the uninitiated, the name “SETI Institute” may conjure up sleek glass buildings, mammoth radio dishes, and creased-brow researchers rushing about waving enigmatic printouts. After all, SETI—the Search for Extraterrestrial Intelligence—is one of the most far-reaching and controversial projects in science. The idea that the universe might contain civilizations other than our own probably helped get Giordano Bruno burned at the stake in 1600. It sparked a famous 19th-century newspaper hoax in which astronomers were said to have found a society of “man-bats” on the moon. It motivated Percival Lowell’s writings about canals on Mars at the turn of the last century, and it inspired Orson Welles’s infamous “War of the Worlds” radio broadcast in 1938, which sent hundreds of thousands of listeners into a panic over a fictional Martian invasion they thought was real.

As the culmination of that grand history, the SETI Institute deserves an equally grand location, ...

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