P. Jenniskens, SETI Institute and NASA Ames Research Center; and M. Breukers and C. Johannink, Cameras for Allsky Meteor Surveillance (CAMS), BeNeLux, report that the chi Cygnids meteor shower (IAU ...
Astronomers searching for signs of life beyond Earth have spotted something strange. An as-yet unexplained radio signal appears to be coming from the direction of the star closest to the sun—a small ...
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