Dark Energy News & Articles See All News Article5 Min ReadNASA’s Roman to Use Rare Events to Calculate Expansion Rate of UniverseArticle6 Min ReadHow NASA’s Roman Space Telescope Will Chronicle the Active CosmosArticle5 Min ReadNASA’s Roman Mission Gears Up for a Torrent of Future DataArticle3 Min ReadPrimary Instrument for NASA’s Roman Completed, Begins Tests Multimedia Go To Galleries Go To Galleries Keep Exploring Discover More Topics From NASA AI/ML STIG Lecture Series, 2 Feb 2026 HWO SIG Seminar, 11 Feb 2026 SPRAT Next AI/ML STIG Lecture, 2 Feb 2026