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Science 21 July 2006:
Vol. 313. no. 5785, p. 287
DOI: 10.1126/science.313.5785.287
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News of the Week

ASTRONOMY:
Result Rattles Dark-Matter Machismo

Tom Siegfried

A new analysis suggests that massive compact halo objects--possibly ancient, burnt-out dwarf stars about half as massive as the sun--may not exist in substantial enough numbers to account for any of the galaxy's unseen mass, as had been posited in 2000. (Read more.)

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Science. ISSN 0036-8075 (print), 1095-9203 (online)