Physicist explains why he thinks mysterious interstellar object was aliens

A physicist has weighed in on the mystery surrounding the interstellar object ‘Oumuamua,’ which flew past Earth back in 2017 at an unusually high speed. Harvard professor Avi Loeb remarked during an interview with Salon that it’s possible the fast, cigar-shaped object was an interstellar spacecraft.  “At first, astronomers assumed it must be a comet, because these are...