2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/13431In 1998 several papers claim the detection of an ubiquitous gaseous phase within the Galactic halo. Here we like to focus on the detections of X-ray emitting gas within the Galactic halo as well as the discovery of a pervasive neutral Galactic halo gas. We discuss critically the major differences between the recent publications as well as the limitations of the analyses.10 pages, 2 figures, to be published in the Proceedings of the Stromlo Workshop on High-Velocity CloudsAstrophysicstext