Science has no confirmed answers to such questions, only a rather lengthy list of possible hypotheses.
But a lot of work has been done, and today's best thinking about abiogenesis (living organisms growing from nonliving matter),
begins with natural organic molecules which can self-replicate.
Self-replication with "mistakes" is, by definition, the beginning of evolution even though neither "parent" nor "child" molecules can in any way be classified as "alive".
Mistakes in replication means some offspring will be better adapted to survive & reproduce than others, and so the process continues, slowly, slowly "complexifying" over billions of years, eventually resulting in organisms we classify as certainly alive.
Sawdring: "Is life still being created here on Earth in its most fundamental form?"
Self-replicating organic molecules still exist in nature, but they are not "alive" and most likely make a tasty lunch for living critters such as bacteria, etc.
So there is little opportunity for them to "complexify" significantly.
Sawdring: "Maybe I will have to stick to the belief that life was seeded by a vast corporate power like in Jupiter Ascending a 100,000 years ago."
You are, of course, entitled to "believe" whatsoever you wish, so long as you don't call such beliefs "science".
