JILA researchers have used a state-of-the-art atomic clock to narrow the search for elusive dark matter, an example of how continual improvements in clocks have value beyond timekeeping.
General Physics
Nov 12, 2020
6
314
A small team of astronomers have found a new way to 'see' the elusive dark matter haloes that surround galaxies, with a new technique 10 times more precise than the previous-best method. The work is published in Monthly Notices ...
Astronomy
Nov 6, 2020
65
8403
At present, the formation of galaxies is difficult to understand without the presence of a ubiquitous, but mysterious component, termed dark matter. Astronomers have measure how much dark matter there is around galaxies, ...
Astronomy
Oct 13, 2020
75
12620
A top goal in cosmology is to precisely measure the total amount of matter in the universe, a daunting exercise for even the most mathematically proficient. A team led by scientists at the University of California, Riverside, ...
Astronomy
Sep 28, 2020
140
5544
Observations by the NASA/ESA Hubble Space Telescope and the European Southern Observatory's Very Large Telescope (VLT) in Chile have found that something may be missing from the theories of how dark matter behaves. This missing ...
Astronomy
Sep 10, 2020
25
1018
A new theory about the nature of dark matter helps explain why a pair of galaxies about 65 million light-years from Earth contains very little of the mysterious matter, according to a study led by a physicist at the University ...
General Physics
Sep 9, 2020
83
365
Cosmologists have zoomed in on the smallest clumps of dark matter in a virtual universe—which could help us to find the real thing in space.
General Physics
Sep 2, 2020
7
716
The detection more than a decade ago by the Fermi Gamma Ray Space Telescope of an excess of high-energy radiation in the center of the Milky Way convinced some physicists that they were seeing evidence of the annihilation ...
Astronomy
Aug 26, 2020
58
384
A research team led by physicists at the University of California, Riverside, reports tiny satellite galaxies of the Milky Way can be used to test fundamental properties of "dark matter"—nonluminous material thought to ...
General Physics
Apr 15, 2020
23
676
Eighty-five percent of the universe is composed of dark matter, but we don't know what, exactly, it is.
General Physics
Mar 26, 2020
38
611
