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

Findings from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy could be evolving over time. If ...

Although the telescope is just getting started on its mission, it has already delivered some impressive snapshots of the dark ...

Swirling through the Milky Way's central zone, in the turbulent region surrounding the supermassive black hole at the core of ...