Post by Yale University

For decades, the standard model of dark matter has explained how the universe is structured at large scales. A new Yale study suggests that inside galaxy clusters, the model may be missing something entirely, possibly a second type of particle, or one that behaves in ways physicists have never observed. Astrophysicist Priyamvada Natarajan and two Ph.D. students explain their findings: bit.ly/3PIXd1d