Daily Mail 
March 23, 2018
A mysterious celestial object known as Tabby’s Star has baffled astronomers for years since it was first observed.
Every so often, the star experiences dramatic ‘dips’ in brightness – but, it’s unclear what exactly is causing the phenomenon.
It has sparked countless possible explanations, from claims of an ‘alien megastructure’ to the more mundane hypothesis that now leads the discussion, which says its light is simply being blocked by dust.
Now, a team monitoring Tabby’s Star says it has dimmed to the lowest levels seen since in five years, offering a new opportunity for scientists to observe the bizarre behaviour.
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