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 ...

Now, researchers from the Harvard Smithsonian Center for Astrophysics have revived the idea that 'Oumuamua could be an alien spacecraft. While we've recategorized 'Oumuamua a few times, we can say ...

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.

Is alien invasion armageddon coming for us in November? That's the speculation set off by a legitimate academic study recently published by a team of scientists. In early July, a previously ...

Our solar system's first known interstellar visitor may have a very violent origin story. The mysterious object 'Oumuamua, which was spotted zooming through the inner solar system in October 2017, is ...