At USA Today you can see the title: Mystery solved: Dark energy isn’t there.

But in the body of the article it says:

The only problem is that for the equations to work, we must be “literally at the center of the universe, which is, to say the least, unusual,” says physicist Lawrence Krauss of Arizona State University in Tempe. “I think this is plausible mathematics, but it doesn’t seem physically relevant.”

So in order to get “mystery solved” you have to assume something that science has been moving away from ever since Copernicus.

Much more at Dark Energy: Still a Puzzle.