Space & PhysicsA Dark MatterAstronomers may be closing in on the invisible cosmic majorityBy Corey S. Powell on January 1, 1994AdvertisementABOUT THE AUTHOR(S)Corey S. Powell is a science writer, blogger and editor living in Brooklyn, N.Y. He is a visiting scholar at New York University's Science, Health and Environmental Reporting Program. Follow Corey S. Powell on TwitterRecent Articles by Corey S. PowellThe Hunt Is On for Alpha Centauri's PlanetsHave We Mismeasured the Universe?Pluto Probe Encounters a Pristine World in the Solar System's Suburbs