Search for dark matter moves one step closer to detecting elusive particle
Friday, April 15, 2011 - 07:31
in Astronomy & Space
(PhysOrg.com) -- Dark matter, the mysterious substance that may account for nearly 25 percent of the universe, has so far evaded direct observation. But researchers from UCLA, Columbia University and other institutions participating in the international XENON collaboration say they are now closer than ever before.