dark matter halo
A new study has "cast serious doubt" on a ubiquitous galactic feature that may require exotic physics to explain.
Stars that have gone missing from the Hyades cluster may have been torn away by a dark matter monster with the mass of 10 million Suns.
The shadowy entities are about 10,000 to 100,000 times smaller than the dark matter halo of the Milky Way.
Experimental results released last month from Italy's deep underground XENON100 detector revealed, sadly, "no dark matter":http://motherboard.vice.com/2012/7/18/space-is-only-noise-in-the-underground-dark-matter-detector, at least in its most commonly...