Physics is unique in the scientific world, in that its reliance on math means it can come to a broad consensus on matters with very little evidence available. In Earth science, a veritable mountain of ...

Add Yahoo as a preferred source to see more of our stories on Google. If dark matter particles decay, then scientists could hunt for signs of this process, including X-ray or gamma-ray radiation or ...

Dark matter makes up most of the mass in galaxies and galaxy clusters. In fact, scientists estimate that ordinary matter makes up only about 5% of the universe, while dark matter makes up about 27%.

Dark matter is real, according to most experts. However, some scientists still debate if it is real or not, and we do not know much about it. Dark matter is a mysterious and invisible substance that ...

New research suggests that relic black holes from before the big bang may still shape galaxies today. These black holes could ...