Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.
The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough weirdness to ignite a familiar debate: is it natural or could it be ...
Modern Engineering Marvels on MSN
What an interstellar comet’s chemistry reveals about alien star systems
Comets are often treated as leftovers, but sometimes the leftovers become the primary focus. That is the case with 3I/ATLAS, only the third known interstellar object seen crossing the solar system, ...
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