It's not rude at all anon! You're welcome to ask if you have any questions.
The basic answer is: Until we discover such life, only Allah knows. His creation is extremely big and complex and human scientists will probably never understand the full reality of it. At least in my opinion it would seem strange that the universe which is so unimaginably large and full of an uncountable number of galaxies would have been made to house us alone.
If such other planets with intelligent life do exist, then it's likely that Allah (swt) would have also sent some prophets to them too, but that's only speculation.