Dark Matter May Have Two Components | Science News

Dark matter might not be one-size-fits-all—new research suggests it could be at least two types of particles that are slowly sorting themselves out, with heavier ones sinking to galaxy centers and lighter ones drifting outward. This “two component self interacting dark matter” theory elegantly explains puzzling cosmic mysteries like dwarf galaxies with underdense cores and extreme gravitational lensing events—problems that previously needed separate fixes. Simulations back this up, showing how particle collisions create cosmic mass segregation, matching observations and even predicting more small-scale lensing than old models. As telescopes sharpen, we’re poised to test whether dark matter’s true nature is far more complex—and fascinating—than we thought. Listen in comfort:Get a discount on a Soli Pillow: http://solipillow.com/discount/dnn. Advertise on DNN:[email protected] This is an automated, high-level news summary based on public reporting.Report issues to [email protected]. View sources & latest updates:https://sources.thednn.ai/22bf7e66f8aba6dd