On this day in space: April 11, 1960: 'Project Ozma' begins search for alien life

On April 11, 1960, astronomers began the first scientific experiment that would search for extraterrestrial life.

a radio antenna dish points toward the blue sky above a mountain ridge

Project Ozma looked for interstellar radio transmissions coming from other star systems. (Image credit: Wikipedia/Z22)

The effort was led by an astronomer named Frank Drake at Cornell University. He used an 85-foot telescope at the National Radio Astronomy Observatory in Green Bank, West Virginia to check out two nearby stars called Tau Ceti and Epsilon Eridani. He first pointed the telescope at Tau Ceti, but he didn't detect any signals. When he pointed the telescope at Epsilon Eridani, he did see a signal, but it turned out to be a false alarm. He later found out that the signal was created by military radar equipment and was definitely not aliens.

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Hanneke Weitering
Contributing expert

Hanneke Weitering is a multimedia journalist in the Pacific Northwest reporting on the future of aviation at FutureFlight.aero and Aviation International News and was previously the Editor for Spaceflight and Astronomy news here at Space.com. As an editor with over 10 years of experience in science journalism she has previously written for Scholastic Classroom Magazines, MedPage Today and The Joint Institute for Computational Sciences at Oak Ridge National Laboratory. After studying physics at the University of Tennessee in her hometown of Knoxville, she earned her graduate degree in Science, Health and Environmental Reporting (SHERP) from New York University. Hanneke joined the Space.com team in 2016 as a staff writer and producer, covering topics including spaceflight and astronomy. She currently lives in Seattle, home of the Space Needle, with her cat and two snakes. In her spare time, Hanneke enjoys exploring the Rocky Mountains, basking in nature and looking for dark skies to gaze at the cosmos. 

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