There are verses which may support the possibility,
And it can be assumed that it is unlikely that Allah created all those galaxies without a purpose,
But I ignore it since it is irrelevant to me and there is no proof,
Hell they're still telling us about researching the possibility of sustaining life on mars which is next door.
I'll tell you an argument I can think of that could be used as an argument to support the possibility,
When Allah announced to the angels that He would put a vicegerent on earth, they replied: will You place therein one who would shed blood and make corruption therein? He said: I know what you know not.
when asked of the names of all things, they replied: glory be to You, we have no knowledge except what You have taught us.
Question is, how would the angels know that man would do all this when they don't know anything other than what they are taught? Unless they'd been told or seen it happen before...
Argument against:
Why did the prophets (pbut) not tell us about the judgement of other beings in the hereafter?
And about sharing paradise with the Prophets of the other planets?
As you can see, this is all conjecture with no evidence and no valid reason for disputing to or for as we could be wrong either way.
And what would we gain from it?
Secondly, it doesn't matter what theory it might support if it is true,
Would life on another planet be a reason for us to disbelieve when we already acknowledge that Allah has created everything? Rather it should make us awestruck and more eager to be the best ummah in the cosmos.
