It seems antimatter might have a bit of a weight problem these days, if a new paper on the arXiv is to be believed — specifically, antimatter helium-4, an extremely rare (and heavy!) particle that just made its debut at Brookhaven's Relativistic Heavy Ion Collider (RHIC). Full story
CMS spokesperson Joe Incandela reports in a CERN video that a new particle has been observed at Europe's Large Hadron Collider.
Physicists at Cern, a nuclear research facility in Switzerland, are expected to announce that they have finally found the Higgs Boson, a sub-atomic particle. Derrick Pitts, chief astronomer at the Franklin Institute, discusses.