Dark Matter Hunt Comes Up Empty Again
June 1, 2018
Physicists face a philosophical quandary. Something they deeply wish to believe in does not appear to exist.
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Double Trouble for Cosmology
January 24, 2015
Two developments are converging to threaten the standard big bang model of the universe's origin.
China Celebrates Non-Discovery of Dark Matter
October 6, 2014
A huge dark matter detector in China celebrated the publication of its first results: nothing.
Dark Matter Search Tinkers with Mythology
January 6, 2014
They can't find it, but it must be there. How long can that approach be sustained?
No Dark Matter Down Here
October 30, 2013
A mile deep in the earth, the most sensitive search to date for dark matter has turned up nothing.
Dark Matter Remains Missing
July 21, 2012
The most sensitive test to date for dark matter in the form of weakly interacting massive particles (WIMPs) has turned up nothing.
Trouble in Cosmologyland
September 18, 2011
Underneath the veneer of certainty portrayed by TV documentaries about the universe are deep questions and controversies. Some of these briefly appear on publicly-available news stories, only to be covered by new coats of certainty. Are the new veneers fixing the problems or, instead, whitewashing serious weaknesses in current cosmological understanding? Here are some quick looks under the veneer.