“Something is wrong somewhere’ – stars on the edge of the Milky Way are behaving strangely. The Milky Way apparently has a lighter core than previously thought.

The center of our galaxy could be less dense and contain less dark matter than expected. “There's something fishy somewhere, and it's very exciting to figure out where that is,” says one of the authors of the study, which was published in the journal Monthly Notices of the Royal Astronomical Society.