Mystery of Milky Way's "Alien-Megastructure" Star Unsolved --Astronomers Ask: "Could Its Strange Dimming Be From a Black Hole?"

Deep in an outer spiral arm of our Milky Way galaxy, some 1,480 light-years from Earth, a star (KIC 8462852, but informally called "Tabby's Star" or "Boyajian's Star") is acting in ways the world's astronomy community has never seen before,...