dark matter

Optical Clocks Narrow Down the Search for Dark Matter

Researchers have used the accuracy of optical clocks to close in on the mysterious components of dark matter, as well as the coupling between parts - particles and fields - postulated by the standard model of physics.
How Does Dark Energy Stretch Our Universe?

The Biggest Mystery Of The Entire Universe: What The Dark Matter Really Is

New observations from ESO's Very Large Telescope have revealed that the outer parts of massive disc galaxies 10 billion years ago were rotating less quickly than the spiral galaxies, like the Milky Way, that we see today. This ESOcast Light summarizes the important points of this discovery and the significance of the dark matter, and how it is distributed.
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