There is a long tradition of statistical astronomy applied to the distribution of galaxies, dating back to Neyman and Scott. Over the course of the past two decades the quality of data has advanced enormously, with the advent of larger and larger galaxy catalogs, both in 2-D and 3-D. With the completion of a new generation wide-field spectrograph on the world's largest telescope, the Keck Observatory, we have begun a major survey of galaxies at mean lookback time of 8 Billion years. Our goal is to obtain high quality spectra of ~60,000 faint galaxies, with mean redshift z=1. In this talk I will describe the experiment, the data pipeline, and the scientific questions we can address with the data. Among other questions, we can set new constraints on the nature of "dark energy" which dominates the mass density of the Universe and is responsible for its accelerating expansion.