Experts believe ancient alien civilizations have been living on mars. See more in this clip from Season 1, Episode 7, ...

Intelligent alien life has remained elusive despite decades of searching the skies, but new technologies and ideas are ...

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

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

Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

The mathematical certainty that 'they' definitely exist in the universeWhen looking up at the night sky, everyone has surely ...

The Moon Is a Harsh Mistress and Project Hail Mary are some of the greatest books that deliver the best and most thoughtful ...

In the coming month, humans are going to experience their first encounter with an alien civilization as predicted by blind ...

As far-fetched as it may seem, quirks of orbital mechanics could allow hundreds of planets to be packed around a star ...

A few years later, Brad Wright and Jonathan Glassner expanded the film’s universe with Stargate SG-1, which went on to run ...

The late Balkan mystic warned that humanity will face alien first contact next month - and it doesn’t bode well from there ...

Moreover, unlike many sci-fi works that imagine how human beings would unite when confronted with alien threats, the trilogy ...