It's a spectrum, really. Homo sapiens are generally about that old, but when you start talking modern anatomy, behaviors, etc, what we would recognize as "human

It's a spectrum, really. Homo sapiens are generally about that old, but when you start talking modern anatomy, behaviors, etc, what we would recognize as "human" is much more limited. If anything, what you bring up kind of goes right along with my point! There may be life out there, but what is life, or intelligent life for that matter? How would we know what we were looking at if we even saw it?