Does dark energy evolve? (opens in new tab)

For more than two decades, the standard picture of the Universe has rested on a surprisingly simple idea. Space is expanding, galaxies are moving farther apart, and a mysterious ingredient called dark energy is driving that expansion to accelerate. In the simplest model, dark energy is constant through time, an unchanging property of empty space […] The post Does dark energy evolve? appeared first on Mapping Ignorance.