// what caught our eye

Videos, posts and articles from around the web that we thought were worth a look. Every link opens on its own site.

October 2026

A distant supercluster of galaxies points to self-interacting dark matter Seven billion light-years from Earth, there is an unexpected cluster of galaxies. It has two regions in the process of colliding with each other with a combined mass of more than two quadrillion solar masses. Given its mass, the distant cluster has been nicknamed El Gordo, the Fat One. What makes it unusual is that it's extraordinarily large for that period of the universe. How did such a large s… web phys.org · 18 Oct 2026