A mysterious gamma-ray stream comes from the Milky Way's center. Could dark matter have something to do with it?
Astrophysicists are investigating the 'Galactic Center Excess,' a mysterious stream of gamma rays originating from the center of the Milky Way. New research suggests that self-annihilating dark matter remains a viable, though unproven, explanation for this phenomenon.
Why it matters
Understanding the nature of dark matter is one of the most significant challenges in modern physics, as it constitutes the vast majority of matter in the universe.
Dark Universe A mysterious gamma-ray stream comes from the Milky Way's center. Could dark matter have something to do with it? News By Robert Lea published 21 June 2026 "The origin of the Galactic Center Excess is one of the longest-running debates in astrophysics."
The article is a scientific report based on current astrophysical research.
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