The largest 3-D map of the universe reveals hints of dark energy's secrets

A year of data from DESI, the Dark Energy Spectroscopic Instrument, suggests that, contrary to expectations, dark energy might vary over time.

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Sacramento ,California ,United States ,American ,Daniel Scolnic ,Dillon Brout ,Nathalie Palanque Delabrouille ,Michael Wood Vasey ,Lawrence Berkeley National Laboratory ,American Physical Society ,Boston University ,Dark Energy Spectroscopic Instrument ,University Of Pittsburgh ,Duke University ,