Some of the most dramatic evidence of dark matter shows up in images of large clusters of galaxies. (discovermagazine.com)
But the first results of three months of hunting, announced this week, find no firm evidence of dark matter, although they show that the detector is as sensitive as planned. (newscientist.com)
The computer simulation showed that the dead galaxies remained stable because they had 100 times more dark matter than visible matter, providing more evidence of dark matter's importance in the universe. (science.howstuffworks.com)