Professor Abraham (Avi) Loeb of Harvard University believes that 1I/2017 U1 ‘Oumuamua, a fast moving, cigar-shaped object of extrasolar origin discovered close to Earth in October 2017, was most likely ‘a piece of advanced technology created by a distant alien civilization.’ An artist’s impression of the interstellar object ‘Oumuamua. Image credit: M. Kornmesser / ESO. ‘Oumuamua was discovered by the University of Hawaii’s Pan-STARRS...