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Even if intelligent aliens exist they may never achieve space travel like us, research says
The Independent via Yahoo News Singapore· 4 months agoEven if intelligent alien species exist, the physical constraints posed by some planets may prevent...
Alien Civilizations May Be Trapped on Their Home Worlds
Futurism via Yahoo News Singapore· 4 months agoRocket Failure The Drake equation, formulated by late astrophysicist Frank Drake in 1961, explores...