I haven’t read any papers that said crop circles were made by space aliens from space.
I forget the exact wording in the scientific papers . . . it was likely something along the lines of . . .
no known earthly explanation acounts for the findings or some such.
I posted some excerpts on FR a year or 3 ago.
I think the article can be found through Linda Moulton Howe’s earthfiles.com
I think there’ve actually been 3 peer reviewed articles published on the topic.