Edited by Joshua Combes, University of Colorado, Boulder, CO; received September 9, 2023; accepted February 10, 2024, by Editorial Board Member Bernard F. Schutz ...

Results from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy, a mysterious force in the universe, is ...

Dark matter is more than five times as abundant as all the visible matter in the universe. So why can't we see any of it?

Besides particles like sterile neutrinos, axions and weakly interacting massive particles (WIMPs), a leading candidate for ...