Dark matter permeates the Universe and surrounds every galaxies in the form of dark matter halos. We don’t really know dark matter works, as predictions of standard cosmology, Lambda Cold Dark Matter (ΛCDM), are way off from observations. Is this the death of Cold Dark Matter, or there are something more to it?
Strader et al. search for the elusive intermediate mass black holes in globular clusters.
How Dylan Nelson produced amazing, interactive visualizations of the Illustris simulation
Astronomers combine ancient Chinese and Roman records with a modern understanding of astronomical events.
On 13 December 2011 CERN announced its results from ATLAS and CMS. Both experiments have made significant process in the search, but not enough to make any conclusive statement on the existence or non-existence of the Higgs boson. A definitive answer will require much more data and is likely by late 2012.