The first observations of Tabby’s star flickering in real time have put the last nails in the “it’s-an-alien-megastructure” coffin. The star’s most recent winks show that the dimming is from small dust particles surrounding it, a team of more than 200 scientists and amateur astronomers reports in a paper posted at arXiv.org January 3. The oddball star, … Continue reading Aliens ruled out for why Tabby’s star flickers