L.U.C.I.F.E.R., which stands for “Large Binocular Telescope Near-infrared Utility with Camera and Integral Field Unit for Extragalactic Research,” is a chilled instrument attached to a telescope in Arizona.
And yes, it’s named for the Devil, whose name itself means “morning star” [and which] happens to be right next to the Vatican Observatory on Mt. Graham in Tucson.
No. 1 thing some say is that they’re all searching for other Earth-like planets that might host extraterrestrial intelligence.