What if an alien transmission was to reach Earth? Would we be able to decode it and somehow communicate with other species? Many believe we could find ways to communicate with symbols or other icons.

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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 ...

A new book details the turn-of-the-century Mars craze It’s not aliens. It’s never aliens. Claims of extraterrestrial life are so common that experts now have this cheeky retort at the ready. In The ...

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 ...

In an extraordinary astronomical event, the Chinese Mars orbiter Tianwen-1 has captured the first close-up images of Comet 3I/Atlas as it made a close flyby of the Red Planet in October 2025. The ...

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 ...