NASA reveals why aliens haven’t contacted Earth yet

(ORDO NEWS) — Researchers from the American space agency in a new work explained why earthlings have probably never encountered intelligent extraterrestrial life.

In an article presenting the “Great Filter” theory, five NASA researchers argue that other intelligent civilizations could well have existed, but they all destroyed themselves before they made contact with earthlings.

The scientists expanded the scope of their study and suggested that humans, too, may be on the way to erasing or “filtering out” themselves.

The good news is that if we humans understand this, or even how other civilizations destroyed themselves, we can avoid the same fate.

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