Physicists are scrambling to understand why dark energy is weakening. In a surprising twist, we must now reconsider the ...
In March 2025, the Dark Energy Spectroscopic Instrument (DESI) released its most detailed map of the universe yet, plotting the positions of 15 million galaxies. With the results, the DESI ...
Cosmology’s neat story of a universe driven apart by a simple, invisible “cosmic fuel” is starting to fray. A growing body of data suggests that dark energy, the ingredient thought to make up most of ...
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