Researchers at Columbia University have proposed using powerful lasers to mask the dimming of sunlight caused when Earth passes in front of the Sun, a signal aliens could use to detect our planet. The ...

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 ...

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 ...

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