One unfortunate detail about contemporary science is there are taboos, certain things that would shun credibility if you were to speak of or do research in as a sceintist.
For instance, Steven Hawkings has said for the longest time he and many of his peers had been fearful speaking on the behalf of such theories as time travel, aliens, and alternate dimensions. Of course now you'll see a lot of those taboos have been lifted and just recently Steven Hawking's made a program delving into those matters.
As for the matters of scientifically delving into the concept that life might exist on different levels, it's still considered pretty much to be tabooed and any scientist that has chosen to study parapsychology has...well...=/
I know for a fact it's still a field scientist would like to do research in without the cost of their credibility, but we probably won't see it for another 20 to 30 years I'd say. I mean back in the 90s I remember any mention of aliens, time travel, and alternate dimensions were also met with harsh criticism but recently I've seen a lot of that criticism wane.
As to answer your question, I think there's still a lot we have to learn about the human condition, and how life originated.