Chris Fassnacht

Taking the Temperature of Dark Matter

January 15, 2020

Warm, cold, just right? Physicists at the University of California, Davis, are taking the temperature of dark matter, the mysterious substance that makes up about a quarter of our universe.

New Measurement of Hubble Constant Adds to Cosmic Mystery

October 23, 2019
New measurements of the rate of expansion of the universe, led by astronomers at the University of California, Davis, add to a growing mystery: Estimates of a fundamental constant made with different methods keep giving different results.