{"id":237454,"date":"2026-05-20T03:44:08","date_gmt":"2026-05-20T08:44:08","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/05\/consistency-check-casts-doubt-on-evolving-dark-energy"},"modified":"2026-05-20T03:44:08","modified_gmt":"2026-05-20T08:44:08","slug":"consistency-check-casts-doubt-on-evolving-dark-energy","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/05\/consistency-check-casts-doubt-on-evolving-dark-energy","title":{"rendered":"Consistency check casts doubt on evolving dark energy"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/consistency-check-casts-doubt-on-evolving-dark-energy2.jpg\"><\/a><\/p>\n<p>Cosmologists have long struggled to determine whether the universe\u2019s accelerating expansion is being driven by a simple cosmological constant, or whether dark energy\u2019s influence is evolving over time. In a new analysis <a href=\"https:\/\/link.aps.org\/doi\/10.1103\/k59d-l795\" target=\"_blank\">published<\/a> in <i>Physical Review D<\/i>, Samsuzzaman Afroz and Suvodip Mukherjee at the Tata Institute of Fundamental Research, Mumbai, have identified a subtle impact on the inference of the nature of dark energy, due to a tiny mismatch between a fundamental cosmological distance relation and two key datasets used to measure the properties of dark energy.<\/p>\n<p>The result casts fresh doubt on the robustness of the recent claims that dark energy could be evolving over time\u2014perhaps bringing us a step closer to solving one of cosmology\u2019s most enduring challenges.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cosmologists have long struggled to determine whether the universe\u2019s accelerating expansion is being driven by a simple cosmological constant, or whether dark energy\u2019s influence is evolving over time. In a new analysis published in Physical Review D, Samsuzzaman Afroz and Suvodip Mukherjee at the Tata Institute of Fundamental Research, Mumbai, have identified a subtle impact [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,1617],"tags":[],"class_list":["post-237454","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/237454","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=237454"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/237454\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=237454"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=237454"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=237454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}