If the alien in the dream acts fidgety or ill at ease, ask yourself how comfortable you are with yourself and your appearance. Do you shy away from mirrors and eye contact or feel self-conscious? Also, are you intimately aware of your own inner nature?
Apprehension toward: Sometimes one must reach out and embrace the unknown to overcome fear. This includes welcoming hidden aspects of self and the Universe.
Traveling with aliens by choice: The need for a new beginning, or a wish to retreat far away from the current situation. Alternatively, someone looking for new friends, hoping to relocate, or just wanting some adventure.
If so, reach for the stars!
In New Age ideology, potentially an emblem of our kinship with all beings within a very large and vastly unknown Universe.... The Language of Dreams
Aliens appear perhaps to remind us that we are not alone in the universe Dreams of aliens arnvmg may present literal expenences and contact with beings from other galaxies. Such dream encounters may result in profound expenences of light and sound in which the dreamer feels altered in some way. Aliens crowding around you in your dream may also reflect your own feelings of living in an alien nation, indicating your sense of isolation and alienation from others.... Ariadne's Book of Dream