Harvard's Avi Loeb warns interstellar comet 3I/ATLAS could be alien tech. Experts weigh in on planetary defence and the risks ...
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Dumbest Alien Invasions
An Alien Invasion of Earth is a terrifying scenario, yet science fiction rarely has good reason for those invasions. Today we'll discuss the worst reasons aliens invade in fiction and some plausible ...
From the creators of XCOM's Long War mod, Terra Invicta bridges the gap between civilization on Earth and the vast interstellar empires of other space strategy games.
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