The Dark Energy Spectroscopic Instrument (DESI) is mapping millions of celestial objects to better understand dark energy—the ...

Last year, an enormous map of the cosmos hinted that the engine driving cosmic expansion might be sputtering. Now physicists ...

The fate of the universe hinges on the balance between matter and dark energy: the fundamental ingredient that drives its accelerating expansion.

A groundbreaking new dataset containing information on 18.7 million celestial objects —the largest ever assembled—is now accessible to researchers, paving the way toward solving some of the universe’s ...