Proceedings of the NATO Advanced Study Institute and Ninth Course of the International School of Cosmic Ray Astrophysics, Ettore Majorana Centre, Erice, Sicily, Italy, 7--18 May 1994Preface; M.M. Shapiro, R. Silberberg, J.P. Wefel. I: Cosmic Gamma Rays, X-Rays, and Neutrinos. The Sky as Viewed from the COMPTON Gamma-Ray Observatory; G. Kanbach. Cosmic Gamma-Ray Bursts; M. Baring. Gamma-Ray Production in the Winds of Wolf-Rayet Stars; P.J. Meintjes, G. Kanbach. Origin of High-Energy X-Ray Emission from NGC 253; O. Goldshmidt. Spectral and Temporal Variability in Low-Mass X-Ray Binaries; N.D. Kylafis. Solar and Supernova Neutrinos; T. Stanev. Neutrino Masses in Astrophysics; R. Ghandi. II: Cosmic Rays. Source Composition of Cosmic Rays and Models of Origin; R. Silberberg, C.H. Tsao, M.M. Shapiro. Some Highlights of the 1993 International Cosmic Ray Conference; R. Silberberg, C.H. Tsao. Recent Results from the Fly's Eye Experiment; D.J. Bird, et al. The High Resolution (Hi-Res) Fly's Eye Detector; D.J. Bird. The Hegra Experiment at La Palma; V. Fonseca. The Extensive Air-Shower Experiment in Tibet; M. Nishizawa. Production and Acceleration of Ultra-High-Energy Particles by Black Holes and Strings; C. Sivaram. Cosmic-Ray Nonlinear Effects in Space Plasma: 1. General Characteristics and Dynamic Galactic Halo. 2. Dynamic Heliosphere; L.I. Dorman. III: Pulsars and Supernova Remnants. Pulsars: Recent Results on their Physics and their Dynamics; F.G. Smith. Synchrotron and Inverse COMPTON Processes in Supernova Remnants; O.C. de Jager. IV: Cosmology. The Big Bang and the Infrared Sky as Seen by COBE; J.C. Mather. Inflation, the Top, and All That; Y. Ne'eman. Formation of Galaxies in a Dark-Matter Dominated Universe: a New Approach; P.G. Macedo, J.P.M. de Carvalho. New Ways in Cosmology: 1. Friedmann-Lemaitre Model Derived from the Lyman-Alpha Forest in Quasar Spectra. 2. Alternative Models for the Very Early Universe; H.J. Blome, W. Priester,lÃÊ