Interstellar Distortion May Hide Distant Radio Signals, SETI Study Finds

To the point

SETI Institute researchers say space can distort radio signals from distant civilizations, widening and flattening them—especially near red dwarf stars—so current narrow‑band antennas might miss them, but flexible detectors could still uncover alien signals if they exist.

Extraterrestrial radio signals: what if our technology ultimately cannot detect them?
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Extraterrestrial radio signals: what if our technology ultimately cannot detect them?

According to a study, we may not be capable of detecting extraterrestrial radio signals, as they are altered by the space environment.