Why are the conditions for alien life to evolve the same as ours? Why can’t they evolve without water, or extremely far from their sun? Is there a reason for this or is it just because our only example is ourselves?

Question

Idk if to put biology or planetary science so ye.

In: Biology

Answer 1

It can, life could theoretically be based on other substances than “earth” life. But as far as we currently know, the only place life has worked is earth. So we sort of assume other life will be similar in composition, that might be wrong, but with lack of any other examples we have to go with what we know.