What is the view of the Sharia on the existence of extraterrestrial beings or flying saucers?

The Sharīʿah did not come to explain cosmic sciences; rather, it came with the message of guidance to Allah and to achieve human happiness, as in His (Allah's) saying: (O Prophet, indeed We have sent you as a witness and a bringer of good tidings and a warner. And one who invites to Allah, by His permission, and an illuminating lamp), and His saying: (And We send down of the Qur’an that which is a healing and a mercy for the believers). Therefore, one cannot definitively assert the existence of extraterrestrial beings or life on other planets in the name of Sharīʿah, because that is not its purview. However, Allah is capable of creating whatever He wills, as in His saying: (Do they not see that Allah, who created the heavens and earth, is able to create the likes of them?).