From which planet are the space aliens who kidnap Earthlings traveling from?

The Pentagon and Area 51.

many greys said zeta riticulan,

my friend speculates that they're from this planet - in the far, far distant future and that they travel back in time to see what life was once like here.

why they need to annal probe farmers out in the middle of a cornfield to do this however is anyone's guess - though popping wheelies in the crops makes a lot more sense when you think they're just us somewhere deep, deep inside