Bizarre dimming of 'Dyson sphere' star is NOT caused by aliens: Fluctuations in its light may be down to natural changes to its material

Tabby's Star or KIC 8462852 was discovered by citizen scientists in 2015 The light from the star dims irregularly, and astronomers do not know why Some theories said it was due to passing comets or alien'megastructures' Now a new paper suggest the material inside the star is undergoing a phase transition Tabby's Star or KIC 8462852 was discovered by citizen scientists in 2015 Some theories said it was due to passing comets or alien'megastructures' Tabby's Star, known officially as KIC 8462852, (pictured in infrared, left and UV, right) has baffled experts since it was discovered in 2015, by scientists scanning the skies for exoplanets How to spot'Santa' in the night sky as the... Wind farms can be DEADLY for birds of prey: Migrating... Watch Mark Zuckerberg show off his artificial intelligence... Can YOU solve this Christmas conundrum? How to spot'Santa' in the night sky as the... Wind farms can be DEADLY for birds of prey: Migrating... Watch Mark Zuckerberg show off his artificial intelligence... Can YOU solve this Christmas conundrum? Tabby's star is a standard F-class star, located in the constellation Cygnus, approximately 1,276 light years from Earth. A paper published earlier this month suggested the star gives off jets that could be a source of energy for an alien civilisation. WHAT IS A DYSON SPHERE?