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 you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: dottedhippo via Getty Images An advanced alien civilization may want to cruise around the ...

Alien: Earth's Xenomorphs are a slightly different color from usual depictions, though for good reason. Although there are many alien species shown in Alien: Earth, the Xenomorph remains a big focus.

A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar to claims made about 'Oumuamua. But experts have called it "nonsense". When ...