Neil deGrasse Tyson researches the problems of galactic structure, star formation, and galaxy evolution. His work over the past five years has centered on decoding the history of chemical enrichment and the history of motion of the stars in the Milky Way. Other research interests include dwarf galaxies (which are less than one-tenth the size of our “normal” Milky Way galaxy), and the “bulge” at the center of the Milky Way. As the Frederick P. Rose Director of the Hayden Planetarium, Tyson is known for his ability to translate complex cosmic phenomena into terms non-scientists can comprehend. This fall, Tyson will host Origins, a groundbreaking four-part Nova miniseries described as a cosmic journey to the beginning of time, to air on PBS.