Pictures of the Milky Way show billions of stars arranged in a spiral pattern radiating out from the center, with illuminated gas in between. But our eyes can only glimpse the surface of what holds ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists think that dark matter produces a bright and spherical halo of X-ray emission around the center of the Milky Way. A ...

Studying the mysterious form of matter around ancient quasar galaxies could have profound implications for our understanding of how the cosmos evolved. When you purchase through links on our site, we ...