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.

When the first object ever known to have visited the Earth's solar system from outer space zoomed past in 2017, it was so strange that at least one leading astronomer was convinced it was an alien ...

WASHINGTON (Reuters) - After investigating the nature of a mysterious and apparently cigar-shaped object called 'Oumuamua spotted in 2017 speeding through our solar system, astronomers remain ...

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 ...

A team of researchers, including Stephen Hawking, is investigating whether the first known object from outside the solar system contains the first sign of life beyond our planet. Using the Robert C.

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 is likely a remnant of a ...

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 ...