Dark Matter Remains Missing
March 1, 2017
How long do astronomers get to search for something that has no direct evidence?
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Dark Matter: Now You See It, Now You Don't
August 30, 2016
All detectors fail to find dark matter. So how can a whole galaxy be made of it?
Double Trouble for Cosmology
January 24, 2015
Two developments are converging to threaten the standard big bang model of the universe's origin.