If aliens did a flyby through the Solar System, would we even realise?
Articles on Technosignatures
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Whistleblower allegations that the government possesses UFOs may not be backed up by public physical evidence, but some argue that listening for extraterrestrial life is the first phase of contact.
The technology of an advanced alien civilization is likely to produce many signs that could be detected across the vastness of space. Two astronomers explain the search for technosignatures.
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Professor of Astronomy and Astrophysics, Penn State
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Ph.D. Candidate in Astronomy and Astrophysics, Penn State
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University Distinguished Professor of Astronomy, University of Arizona
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Professor of World Arts and Cultures/Dance, University of California, Los Angeles
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Associate Professor of Anthropology, Bowdoin College
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Distinguished Professor Emeritus of Sociology, University of South Carolina
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Associate Dean of Innovation and Engagement, Swinburne University of Technology
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Professor of American Indian Studies, University of Minnesota