One of the fascinations of science fiction to me is the possibility of life, but not as we know it. I guess it’s also why I love everything regarding evolution, natural selection, social psychology, etc.
The most common definition of sentience is that it is the ability to feel or perceive subjectively. If we ever met other sentient beings, would we be able to communicate with them? Life evolves to survive in its surroundings.
Since the living conditions on Earth are fairly rare in the known universe, we can only assume that life has evolved quite differently in other places. Just thinking about the possibilities fires up the imagination and ignites sparks of creativity. The most exciting thing about writing science fiction is that anything is possible…