There are literally millions of solar systems just in our galaxy, so with open mind, I do have faith there is some form of life elsewhere in the universe.
Now consider there are millions of galaxies and clusters with their solar systems.
Look at Tardigrades, they can survive boiling water, frozen to minus 300degrees, vacuum of space. Radiation, 40 times pressure in the deepest seas.
Fossils have been found in meteorite fragments.
So why not