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10 greatest space opera movies of the 20th century that aren't Star Wars

Star Wars may define space opera, but these 10 sci-fi classics prove the genre was thriving long before (and far beyond) a ...
AOL

30 best alien movies of all time, according to fans — and Aliens is only #4

Humanity's ideas about alien existence often say more about us than the little green men we envision. Our conception of life beyond Earth reflects our collective hopes and fears about technology and ...