No matter how often you ask, the only honest answer is that nobody has found ANY alien races so far, so nobody really knows anything about them for sure.
Two pupils in the eye would be eerie,and perhaps some alien races have them.
No one can know for sure if alien races have multiple eyes, but it is possible.
It could be possible that some alien races would have short barbs which surrounded their eyes and temples, if they are real.
We can not know or tell.
If they exist, some might have pink eyes.
If they exist, some might have multifaceted eyes.
It isn't currently known whether there even are any alien creatures.
It is not currently known whether there even are any alien races. There might be, but this has not been confirmed so far.
a alien. :D
We do not know, we have yet to prove aliens actually exist.
Does a fly have eyes in the back of its head
Yes, some fictitious alien races have extra and/or less body parts (I.e. eyes, ears, noses, nostrils, mouths, heads, arms, legs, faces, fingers/toes, hearts, livers, lungs, kidneys, stomachs, forearms, forelegs, horns, wings, tails, etc.).