https://www.cnet.com/news/dust-not-alien-megastructures-likely-behind-weird-dimming-of-tabbys-star/

The so-called "weirdest star" in the galaxy -- it's also known as the "WTF" star, Boyajian's Star, Tabby's Star and KIC 8462852 -- remains a mystery, but its weird dimming behavior likely can't be explained by aliens. Unless, perhaps, they're incredibly tiny.

New research presented at a meeting of the American Astronomical Society (AAS) in Denver on Tuesday suggests a dusty explanation.