This week's column by Ctein
Recently there have been some interesting scientific developments in the Search for Extraterrestrial Intelligence (a.k.a. SETI) that I picked up at September's "100 Year Starship" Conference in Houston.
No, we haven't found anybody yet. If we had, you wouldn't first be reading about it here! But, the astronomical community has constrained one of the possibilities and thought up a new way to search for others.