A huge object, possibly as big as Manhattan, has entered our Solar System and it might be more than just a rock. Some scientists now say it could be an alien spacecraft, with plans to attack Earth in ...

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.

Recent discoveries in our solar system have ignited debates among researchers about the possibility of extraterrestrial intelligence. The unusual behavior and characteristics of certain interstellar ...