The Large Hadron Collider achieves its first circulation of proton beams this year.
Stars that have planets appear to be poor in lithium.
The Chandra X-ray Observatory discovers a carbon atmosphere on a neutron star.
Preliminary analysis of the impact plume from LCROSS indicates significant amounts of water on the Moon.
The most distant galaxy cluster ever found so far at 10.2 billion light-years away has been discovered.
CMS has started observing LHC beam splash events for the first time in 2009.
The Large Hadron Collider overheats and suffers further delays because of bread crumbs dropped by a bird.
This past weekend saw the first beam particles in the Large Hadron Collider since the magnet quench incident of September 2008.
Measurements of weak gravitational lensing suggest that large-scale structure in the universe might deviate from what would be predicted by general relativity.
NASA has released new images of the LCROSS impact, where the plume appears to have just been less spectacular than expected.
