Last Updated: Wednesday, September 11, 2013, 14:52
Astronomers believe that they have found the answers to a 20-year debate over how dark matter is distributed in small galaxies.
Last Updated: Thursday, August 29, 2013, 16:03
A modified law of gravity was correctly able to predict, before observations were made, the average speed of stars within a galaxy relative to each other in 10 dwarf satellite galaxies of Andromeda.
Last Updated: Sunday, February 03, 2013, 19:08
Galaxies and matter in the universe clump in an intricate network of filaments and voids, known as the cosmic web.
Last Updated: Tuesday, April 03, 2012, 13:18
Nearly 80 percent of the matter in the universe is invisible to telescopes, yet its gravitational influence is manifest in the orbital speeds of stars around galaxies.
Last Updated: Tuesday, December 20, 2011, 12:26
UCDs which are mysterious objects characterized by high stellar population counts, are actually very massive clusters of bright stars, a new study has revealed.
Last Updated: Wednesday, November 30, 2011, 13:39
The Sagittarius dwarf galaxy used to be one of the brightest of the Milky Way satellites.
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