r/askscience might be the closest one in terms of strict moderation and not tolerating off-topic/joke/anecdotal (or otherwise unscientific, obviously) stuff; yo

r/askscience might be the closest one in terms of strict moderation and not tolerating off-topic/joke/anecdotal (or otherwise unscientific, obviously) stuff; you'll mostly find high-quality answers submitted by the verified panelists of the sub.