Some UFO cases remain difficult to explain, but that is only the beginning of the scientific question. The evidence needed to ...

Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets ...

Suppose an alien civilization discovers Earth and decides to investigate. Before it chooses a landing site or considers how ...

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.

Baba Vanga is back at the centre of a viral prophecy storm, with social media posts once again claiming the late Bulgarian mystic predicted World War III and an alien spacecraft arriving on Earth in ...

Actually, I take back my previous comment. What we do know is that all Martians are green when they arrive on Earth. That’s only logical, given the distance and time they’ve had to travel between Mars ...

NASA have shed light on a supposed 'alien spacecraft' pictured in one satellite picture, believed by so-called UFO researchers to be around 2.5 metres in length ...