The Small Magellanic Cloud, a dwarf galaxy about 200,000 light-years from the solar system, can be seen with the naked eye ...

April’s nights see some of the sky’s largest constellations, and from their vastness spring a laundry list of celestial and ...

Scientists, using infrared images from NASA's Spitzer Space Telescope, have found that the Milky Way’s graceful spiral structure is primarily shaped by two arms extending from a central bar of stars.