His research is or has been recently supported by New York University, NASA, the NSF, the Moore Foundation, the Sloan Foundation, the Max Planck Society, the Humboldt Foundation, the European Research Council, and the Simons Foundation.

Hogg is working towards several comprehensive projects in observational astrophysics, including the measurement and simultaneous analysis of every galaxy (above some mass) in the observable Universe, every star (above some brightness) in our Galaxy, or every image (above some quality) taken by any astronomical camera. The comprehensive goals are long-term goals, but he is involved in present-day projects that work towards them, including Astrometry.net, Gaia, and SDSS.