As the universe expands faster and farther, so too does our understanding of the forces governing its growth. One of modern astronomy’s most profound mysteries is dark energy, an enigmatic force ...
“Dark energy” is a term scientists use to refer to whatever is causing the universe to expand faster over time. We don’t know exactly what dark energy is—no one has ever directly seen or measured ...
The original version of this story appeared in Quanta Magazine. Physicists have deduced subtle hints that the mysterious “dark” energy that drives the universe to expand faster and faster may be ...
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