How could we defend Earth against an alien Invasion? Do we even stand a chance? Could the United States, Russia and China ...

What happens after aliens conquer Earth This video explores the aftermath of invasion from occupation and collaboration to ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...

From the creators of XCOM's Long War mod, Terra Invicta bridges the gap between civilization on Earth and the vast interstellar empires of other space strategy games.