Thursday - July 30, 2026
Dark matter, explained
March 26, 2026
CHICAGO, Illinois, March 26 -- The University of Chicago posted the following news:

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Dark matter, explained

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Dark matter is some kind of substance that has gravity-it holds galaxies together-yet cannot be directly seen with any instrument yet created.

We know it's out there because of the effects it has on things that are visible, like stars and galaxies. We see these effects everywhere we've looked, and the consis . . .

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