In a $19.5 million NASA-funded mission, a team at George Mason University is heading a project to construct and launch a ...
Astronomers have discovered a group of objects beyond the Kuiper Belt, suggesting the existence of a second, more distant belt in our solar system.
NASA’s Chandra X-ray Observatory captured this view of the massive Perseus cluster, one of the largest-known galaxy clusters. This graphic contains a map of the full sky and shows four of the hundreds ...