Dark Forest Theory is a concept from the science fiction novel "The Three-Body Problem" by

Liu Cixin, which offers a grim explanation for the Fermi Paradox—the question of why

we haven't detected signs of alien civilizations.

It suggests that the universe is like a dark forest where civilizations are hidden predators,

silently hunting.

Due to the vast distances and unknowns in space, civilizations view any other life form

as a potential threat.

The safest strategy is to preemptively destroy other life forms before they can do the same.

Consequently, civilizations stay silent and hidden to survive, avoiding any form of interstellar

communication or revealing their location, thus explaining the silence of the cosmos.

This theory presents a bleak view of the universe as a place of survival-driven secrecy and

isolation and renders the cosmos as an infinitely vast, cold, and lonely place, where each civilization,

isolated by the immeasurable gulfs of space and fear, exists in its own silent bubble,

forever speculating about the presence of others.