2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/41271This article gives an overview, aimed at theoretical particle physicists, of some recent developments in cosmology.19 pages LaTeX file with 4 figures included via EPSF. Article for the proceedings of ``TASI-01'', Boulder, 2001. Correction made to referenceHigh Energy Physics - Phenomenologytext