Preface, 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, J. Hoell. Subject Index. Author Index.