Dark energy: mysterious cosmic force appears to be weakening, say scientists - The Guardian

Dark energy: mysterious cosmic force appears to be weakening, say scientists  The GuardianDark energy isn't what we thought – and that may transform the cosmos  New ScientistBold new theory challenges endless expansion of the universe  The Brighter Side of NewsIs Dark Energy Getting Weaker? New Evidence Strengthens the Case.  Quanta MagazineHints grow stronger that dark energy changes over time  Ars Technica