The telescope launched in 2023, aiming to chart one third of the sky -- encompassing 1.5 billion galaxies -- to create what has been billed as humanity's most accurate 3D map of the universe.

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

Eventually, Euclid hopes to map a full atlas of the universe ... The cosmic web's structure offers clues about dark matter and dark energy, according to the researchers. Astrophysicist Carole Mundell, ...