At least they have each other. More Aliens
Also, if you liked this one, you may also enjoy these:
EDIT: Wow! I totally did not expect this strip to be so popular... I figured folks would see it, maybe think it's cute and move on, but it's kicking ass and taking names!
It's had 27 favs in the first 24 hours - roughly 1 fav to every 7 views and already #6 out of 1300 in a search for "crop circle" (the top 1%).