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On behalf of the WISE Science team, we present the discovery of a class ofdistant dust-enshrouded galaxies with extremely high luminosity. These galaxiesare selected to have extreme red colors in the mid-IR using NASA's Wide-fieldInfrared Survey Explorer (WISE). They are faint in the optical and near-IR,predominantly at z=2-4, and with IR luminosity > $10^{13}\, L_{Sun}$, makingthem Hyper-Luminous Infrared Galaxies (HyLIRGs). SEDs incorporating the WISE,Spitzer, and Herschel PACS and SPIRE photometry indicate hot dust dominates thebolometric luminosity, presumably powered by AGN. Preliminary multi-wavelengthfollow-up suggests that they are different from normal populations in the localM-sigma relation. Their low source density implies that these objects areeither intrinsically rare, or a short-lived phase in a more numerouspopulation. If the latter is the case, these hot, dust-enshrouded galaxies maybe an early stage in the interplay between AGN and galaxies.

WISE Discovery of Hyper Luminous Galaxies at z=2-4 and Their Implications for Galaxy and AGN Evolution