The images of distant galaxies are slightly distorted by the gravitational field generated by the foreground dark matter distribution. (technologyalpha.net)
A map of possible dark matter distribution in a cluster of galaxies If you still worry about the millirems of radiation you get at the dentist's office, you might soon have yet another reason to gobble down an Ambien at bedtime. (scientificamerican.com)
Possessing a very strong statistical evidence, even at small galactocentric distances, the results open a new avenue for the determination of dark matter distribution inside the Galaxy. (sciencedaily.com)