The Andromeda Galaxy, our Milky Way’s colossal neighbor, lies 2.5 million light-years away yet shines visibly in dark skies.

Our galaxy will make for a particularly splendid sight on the dark nights surrounding the new moon phase on July 24.

At the core of the galaxy, about 26,000 light-years away in space, is Sagittarius A*, a supermassive black hole about 4 ...

A tiny, newly discovered galaxy being shredded by the gravity of the Milky Way is our galaxy's closest known neighbor, residing just 42,000 light-years from the Milky Way's center.

The nearest galaxy to our own Milky Way has been revealed. It is so close that the Milky Way is gradually consuming it by pulling in its stars. But it will be few billion years before it is ...

The Andromeda Galaxy, a spiral galaxy 2.5 million light-years away, is something of a big sister to our own Milky Way. NASA/JPL-Caltech/UCLA Join Our Community of Science Lovers!

The Large Magellanic Cloud, a close neighbor to the Milky Way, may house a giant black hole. It's the closest supermassive black hole outside of our galaxy.

The SMC remains one of the closest galaxies to the Milky Way. This proximity allowed the research team to identify and track approximately 7,000 massive stars within the galaxy.

What does the Milky Way look like?. Sometimes, the billions of stars comprising our home galaxy appear especially vibrant during “Milky Way season” as the band arcs across the night sky. The ...

With summer soon approaching, the Milky Way will become more visible in May, especially as the new moon makes the skies dark over Memorial Day weekend. Here's when and how to catch a glimpse of ...