It is not radio alone. We also didn't find any alien megastructures dimming stars. Though Tabby's star is strange. http://www.popularmechanics.com/space/deep-s

It is not radio alone. We also didn't find any alien megastructures dimming stars. Though Tabby's star is strange. http://www.popularmechanics.com/space/deep-space/a26575/something-weird-is-happening-to-the-alien-megastructure-star/ http://www.popularmechanics.com/space/deep-space/a26575/some... Subreddit devoted to the star: https://www.reddit.com/r/KIC8462852/ https://www.reddit.com/r/KIC8462852/