'Alien' signal beamed to Earth from Mars in SETI test

A European Mars orbiter beamed a coded message to Earth today (May 24), kicking off a weeks-long project designed to help us prep for a real signal from E.T.

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May 25, 2023 - 06:00
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'Alien' signal beamed to Earth from Mars in SETI test
A European Mars orbiter beamed a coded message to Earth today (May 24), kicking off a weeks-long project designed to help us prep for a real signal from E.T.