There are classified journals that are used to publish classified scientific results from the intelligence, defense, and national security communities. This is

There are classified journals that are used to publish classified scientific results from the intelligence, defense, and national security communities. This is what came to mind when you mentioned “dark journals,” although I initially interpreted dark as invisible to the public. Who knows what ethical standards they have? I presume some pretty unethically acquired results could be published in them, say, on the effectiveness of different weapons systems or “enhanced interrogation techniques” in the field.