if they are more advanced than us and if they exist then most likely but it is hard to know for sure.
First we have to know whether or not they exist.
According to most people, aliens would ride in saucer-shaped UFO's. It is not known if aliens exist or not, so we cannot know for sure if aliens exist, let alone what they actually ride in.
aliens, Might exist but their are rumours that they probe people.
there is no definite proof but aliens are likely to exist
No one knows. We don't know if aliens even exist at all.
As there is no evidence to say aliens exist it is impossible to know what they might eat.
Its completely up to you to believe if aliens exist. There is no proof that they are real, but then again we don't know. hope it helped? xx
As far as we know AT THE MOMENT, Aliens do not exist. Thus questions as to their heath are simply vacuous.
An alien is a person from another country. You probably have alien neighbors, that is, people from other countries. "Aliens" is also used for living beings from other planets. It is not yet confirmed that this kind of aliens exist, so we can't know where to find them, if they do exist.
No aliens are not true I don't know if it's true or not,but I'm shure aliens exist.
Well that I know of their might be living organisms that exist on mars, but aliens its possible.
No one knows. It might vary depending on the exact races and cultures of aliens.