Neutrino Astrophysics: A Research Briefing -- Copyright -- Preface -- Contents -- Why Neutrino Astrophysics? -- Ongoing Solar Neutrino Experiments -- THE CHLORINE EXPERIMENT -- THE KAMIOKANDE EXPERIMENT -- THE GALLIUM EXPERIMENTS-GALLEX AND SAGE -- Solar Neutrino Experiments Under Construction -- THE SUDBURY NEUTRINO OBSERVATORY: SNO -- SUPERKAMIOKANDE -- BOREXINO -- IODINE -- High-Energy Neutrinos -- High-Energy Neutrino Experiments Under Construction -- BAIKAL -- DUMAND -- AMANDA -- NESTOR -- A Kilometer-Scale High-Energy Neutrino Telescope -- What Next? -- Acknowledgments -- References.