But the stellar halo, as this roughly ball-shaped, less dense grouping of stars is called, stretches the limits of the Milky Way out to about 400,000 to 600,000 light-years across. Although it all ...

Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way. Measuring 3.3 million light-years from end-to-end, the cosmic megastructure was ...

About 10 billion years ago, the Milky Way looked very different from the galaxy that now serves as a home to our solar system. In order to grow to its current massive size, the Milky Way probably ...

Using data from the James Webb Space Telescope, astronomers traced how Milky Way–like galaxies formed and changed over time.

The Milky Way's satellite galaxies are less typical than previously thought. Most Milky Way-like galaxies have star-forming satellite galaxies, unlike our own. The Milky Way's unique satellite galaxy ...

A long-term survey of small, “satellite” galaxies that orbit larger galaxies across the universe offers new insights into our own galaxy, the Milky Way. Since 2012, the Satellites Around Galactic ...

Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the ...

Looking for an alternative to fireworks? Stargazers can catch a cosmic light show this Independence Day when the Milky Way appears in the night sky. The center of our home galaxy, which is composed of ...

The Milky Way galaxy, comprised of billions of stars, will be visible in the night sky until the end of May, particularly between the last quarter moon (May 20) and the new moon (May 30). Light ...