Physicists are reimagining dark matter
There might be new particles, forces and perhaps even a Dark Big Bang
Readers of this paper will probably need no reminder that most of the universe is missing. The atoms and light you see—from people to planets, stars and galaxies—make up just 5% of the universe. The rest is a two-part mystery—a substance called “dark energy”, which pushes space apart, comprises 68% of the cosmos; what’s left, around 27%, is dark matter.
This article appeared in the Science & technology section of the print edition under the headline “Dancing in the dark”
From the March 9th 2024 edition
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