Space Weather May Smear Narrow Signals, Prompting Revised SETI Search Strategies

To the point

Star space weather, driven by dense plasma in stellar winds and coronal mass ejections, can smear a narrow signal across multiple frequencies, hiding it from current SETI searches, so researchers like Vishal Gajjar suggest changing search methods to account for this.

What may have caused us to miss alien transmissions?
govtech.com

What may have caused us to miss alien transmissions?

Answer: Space weather.