No aliens are known to exist, so your question is unanswerable.
from recent research we are not sure if aliens prefer chocolate to vegtables. We did find out however, that 99.9% of children under 8 dressed up as aliens, prefered chocolate. I think this means we can say that real aliens do prefer chocolate to vegtables.
mostly aliens and monsters however can be attacked by marshians.
because aliens and reptors eat burittos with a hammer
"Why wont aliens kill humans" ... Theyre afraid.
'Aliens' are real. In any given country, a foreigner may be described as an Alien.
no, they did not.
Aliens didn't build the pyramids, actual humans did that.
Afghans are not aliens. They are humans just like everyone else.
no
humans aliens bugs
As there is no evidence to say aliens exist it is impossible to know what they might eat.
Aliens are not known to actually exist, so your question is unanswerable.