Dark matter clue? Mysterious substance may be interacting with itself in nearby galaxy
![Dark matter clue? Mysterious substance may be interacting with itself in nearby galaxy](https://cdn.mos.cms.futurecdn.net/BG43CcKKo7ocL2dspsz7DF.jpg)
A neighbor galaxy of the Milky Way could offer fresh clues in the 90-year-long quest to determine the nature of dark matter.
A neighbor galaxy of the Milky Way could offer fresh clues in the 90-year-long quest to determine the nature of dark matter.