EW compares onscreen aliens friendly or otherwise.
Humans spend so much time wondering about other life forms that might exist in outer space.
What are they like?
Columbia Pictures
How should we treat them?
And, perhaps the most pertinent question: How will they treatus?
What are those lights in the sky?
WETA
Why did so many people go missing?
What gives theAlienfranchise its power is that the titular creatures are truly foreign from humanity.
They don’t just have big foreheads.
CBS
Everett Collection
