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    quasars

    hubble quasars snacking
    Most Black Holes Are Cosmic Snackers Instead of Binge Eaters

    Black holes more commonly eat many small meals rather than a single huge feast, a study found.

    • gravitational lens SDSSJ1226-0006
      Distant Galaxies Confirm Accelerating Growth of Universe, Dark Energy

      New observations through cosmic magnifying glasses support the idea that the universe's expansion is accelerating.

      By Clara Moskowitz Published 12 April 12

    • distant starburst galaxies early universe
      Most Massive Galaxies Had Frenzied Star-Forming Pasts

      Astronomers found a link between active starburst galaxies in the early universe to giant elliptical galaxies we see today.

      By Space.com Staff Published 25 January 12

    • null
      Astronomers Find Brightest Object of Early Universe

      The super-bright galaxy ULAS J1120+0641 is also the most distant quasar ever seen.

      By Charles Q. Choi Published 1 July 11

    • A zoomed-in view of a slice of the three-dimensional map of the universe. Red areas have more gas; blue areas have less gas. The black scale bar in the bottom right measures 1 billion light-years.
      Largest 3-D Map Opens Window to the Ancient Universe

      The largest-ever three-dimensional map of the distance universe has been created using quasars.

      By Charles Q. Choi Published 3 May 11

    • Artist’s concept of the environment around the supermassive black hole at the center of Mrk 231. The broad outflow seen in the Gemini data is shown as the fan-shaped wedge at the top of the accretion disk around the black hole. The total amount of materia
      Ravenous Giant Black Holes Can Stunt Their Own Growth

      The giant black hole at the heart of galaxy Markarian 231 kicks up a flood of material — behavior that starves the black hole and limits star formation.

      By Space.com Staff Published 2 March 11

    • null
      First Measurement of Earth's Inner Magnetism Made

      Geophysics milestone may point to source of the inner planet's roiling energy.

      By Live Science Staff Published 17 December 10

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