Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. For about fifty years, the scientific community has been grappling with a substantial problem: there isn’t enough visible matter in the universe. All the matter we can see — stars, planets, cosmic dust and everything … Read more
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. For about fifty years, the scientific community has been grappling with a substantial problem: there isn’t enough visible matter in the universe. All the matter we can see — stars, planets, cosmic dust and everything … Read more
Strange behavior in a huge cluster of merging galaxies could be explained if dark matter, the universe’s most mysterious stuff, can collide with itself. However, the most favored model of cosmology at the moment is the Cold Dark Matter (CDM) model – and it suggests that dark matter, which is effectively invisible because it does … Read more