Indeed. Some researchers have proposed quintessence, a time-varying form of dark energy [0]. > A group of researchers argued in 2021 that observations of the H

Indeed. Some researchers have proposed quintessence, a time-varying form of dark energy [0]. > A group of researchers argued in 2021 that observations of the Hubble tension may imply that only quintessence models with a nonzero coupling constant are viable. [0] https://en.wikipedia.org/wiki/Quintessence_(physics) https://en.wikipedia.org/wiki/Quintessence_(physics)