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Astronomers have identified a possible new example of one of the universe's strangest galaxy types: galaxies that appear to contain little or no dark matter. T…
Brown dwarfs are somewhere between the size of a planet and a star, so how could we have potentially mistaken two of them for distant galaxies? Columnist Chand…
Hubble’s image shows Messier 88’s bright core and star-forming regions, but its 250 km/s plunge through the Virgo Cluster is stripping its star-forming gas, li…
Supermassive black holes are the largest known black holes in the universe, sitting at the center of most large galaxies. They are sometimes described as cosmi…
Galactic size is hard to define due to fuzzy edges and dark matter. IC 1101, at over 4 million light-years, is one of the largest known.
