Newswise — The fate of the Universe hinges on the balance between matter and dark energy — the fundamental ingredient that drives its accelerating expansion. New results from the Dark Energy ...

When the Dark Energy Spectroscopic Instrument cannot study its primary targets — distant galaxies used to map the large-scale structure of the universe — it does not sit idle. During periods of lunar ...

Using spectral data from the Dark Energy Spectroscopic Instrument (DESI), astronomers have gained some of the clearest evidence yet that white dwarf stars are accreting debris from disintegrating ...