A six-year survey covering 669 million galaxies has revealed insight into dark energy, the mysterious phenomenon driving the universe's accelerating expansion.
The landmark survey paints a complicated picture about our understanding of the universe, showing that two leading theories of cosmology are both equally good fits for the new cosmic expansion observations. However, both theories still fall short in explaining why matter clusters in the universe the way it does, hinting that there’s more work yet to be done.
