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

The largest-ever three-dimensional map of the cosmos, plotting out some 15 million celestial objects, could help reveal the ultimate fate of the universe. Astrophysicists know that the universe is ...

The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.

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

It's rare for any observatory to directly image a planet beyond our solar system, called an exoplanet, but the powerful James ...