Spoiler!
This is just a guess but..........
Most probably:- These aliens will be humans from future from another place because the time flows differently there from earth and it can be a loop too like in "Interstellar" movie.
Most probably:- These aliens will be humans from future from another place because the time flows differently there from earth and it can be a loop too like in "Interstellar" movie.
But I wish that's not the case.
Spoiler!
You shouldn't have seen this.