Gravitation and hot big-bang cosmology -- Euclideanized Einstein-Yang-Mills equations, wormholes and the ground-state wave function of a radiation dominated Universe -- Experiments with neutrinos -- Topological defects in the early universe -- The space telescope and the problems of cosmology -- Self-gravitating magnetic monopoles, global monopoles and black holes -- Understanding large-scale cosmic structure -- Metric space as a model of spacetime: Classical theory and quantization -- Galaxy formation - An update -- The hypothesis of the expansion of the universe and the global tests -- The early universe behaviour with non-minimal coupling -- Stability of compactification in Einstein-Yang-Mills theories -- Multivariate analysis and pattern recognition methods: A short review and some current directions -- Cooling of neutron stars -- Experiments in high energy physics: A brief introduction -- Nucleosynthesis in big-bang models -- The cosmological constant, third quantization and all that -- Structure of the inflationary universe.