The first optical telescope dedicated to the hunt for alien signals has opened. For almost 50 years, since SETI (Search for Extraterrestrial Intelligence) projects began in earnest, people have ...

LAMAR TOWNSHIP, Pa. — They weren't lasers from aliens. Police in Pennsylvania say two people were shooting at what they thought were green lasers shot by aliens, but when in reality the flashing ...

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Astronomer Geoff Marcy is the Usain Bolt of planet hunters, but now he is turning his gaze towards potential alien civilisations. The good news, he tells Anil Ananthaswamy, is that ET may already be ...