universe | smithsonianmag.comhttps://www.smithsonianmag.com/rss/tag/universe/RSS feed for universeenFri, 01 May 2026 15:21:22 +0000This Is the Largest, Most Detailed 3D Map of the Universe. It'll Help Astronomers Investigate a Cosmic Mystery: Dark Energyhttps://www.smithsonianmag.com/smart-news/this-is-the-largest-most-detailed-3d-map-of-the-universe-itll-help-astronomers-investigate-a-cosmic-mystery-dark-energy-180988643/The Dark Energy Spectroscopic Instrument spent five years observing the sky from Arizona. Now, researchers have a trove of data to study how the universe has evolved over billions of yearsFri, 01 May 2026 15:21:22 +0000https://www.smithsonianmag.com/smart-news/this-is-the-largest-most-detailed-3d-map-of-the-universe-itll-help-astronomers-investigate-a-cosmic-mystery-dark-energy-180988643/