Latest Smithsonian Center for Astrophysics Stories
An unusually dense cloud located near the center of the galaxy does not appear to be forming any massive stars.
Building a terrestrial planet requires raw materials that weren't available in the early history of the universe.
New evidence from NASA's Chandra X-ray Observatory challenges prevailing ideas about how supermassive black holes grow in the centers of galaxies.
New observations from NASA's Chandra X-ray Observatory suggest that a black hole is being ejected from its host galaxy at several million miles per hour.
Gamma-ray beams seen in the Milky Way's central black hole suggest that the galaxy's center was much more active in the past, according to new research.
New research suggests that billions of stars in our galaxy have captured rogue planets that once roamed interstellar space.
An international team of scientists have discovered an ‘ordinary’ black hole in the 12 million light year-distant galaxy Centaurus A.
Harvard-Smithsonian Center for Astrophysics researchers have determined that some planets are flying around in space at 30 million miles per hour.
- Stoppage; cessation (of labor).
- A standing still or idling (of mills, factories, etc.).