News of the WeekASTROPARTICLE PHYSICS

Excess Particles From Space May Hint at Dark Matter

Science  21 Nov 2008:
Vol. 322, Issue 5905, pp. 1173
DOI: 10.1126/science.322.5905.1173

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Summary

An unexpected abundance of high-energy electrons from space could be evidence of particles of dark matter--the weighty and mysterious stuff whose gravity holds the galaxies together. But if the sightings really do point to dark matter, then physicists may have to revise their ideas about what the stuff is.