(CBS Local/CNN)-- A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University ...

A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University have suggested.

CAPE CANAVERAL, Fla. (AP) — Our solar system’s first known interstellar visitor is neither a comet nor asteroid as first suspected and looks nothing like a cigar. A new study says the mystery object ...

In October, a cigar-shaped interstellar visitor nicknamed 'Oumuamua was spotted tumbling through our solar system at 85,700 miles per hour. Astronomers rushed to study it before it disappeared from ...

From our limited observation time, astronomers have determined ‘Oumuamua is a small cigar-shaped object, but we didn't know exactly how small until now. Share on Facebook (opens in a new window) Share ...

A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University have suggested.

A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University have suggested. A ...