The curious minds at What If explore what would happen if there is alien life on Jupiter's moon Europa.
Sciencephile the AI on MSN
A black hole planet could slow time - and keep a civilization alive longer
The video ranks the wildest alien megastructure ideas, from famous Dyson spheres to black-hole planets, ring worlds, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results