A signal beamed at Earth from Mars in 2023 has finally been decoded by a father and daughter team in the United States. When you purchase through links on our site, we may earn an affiliate commission ...

TL;DR: In May 2023, the ESA's ExoMars Trace Gas Orbiter sent an "alien signal" to Earth as part of an art project called "A Sign in Space," aimed at testing the process of deciphering potential alien ...

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In 1924, David Todd sought to boldly listen where no one had listened before. The eccentric American astronomer enlisted the U.S. Army and Navy, an engineer who helped invent moving images, and a top ...