In a significant astronomical discovery, researchers found three ultra-faint dwarf galaxies, offering new insights into the ...

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...

Mapping the distribution of matter in the universe is an important quest for cosmology and astrophysics. There is a battle ...

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

This artist's concept visualizes stars near the center of our Milky Way galaxy. Each has a colorful trail indicating its speed –– the longer and redder the trail, the faster the star is moving. NASA ...

Astronomers may have found a star racing through our galaxy at an incredible speed—dragging a planet along with it! If ...

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

Scientists have created the first-ever 3D maps of star-forming molecular clouds near the Milky Way's supermassive black hole, ...

The Milky Way can be seen as something of a bully, having devoured many smaller galaxies to achieve its vast mass, and ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

So how well do you know the Milky Way? Let's test your knowledge of our galaxy's size, age, speed and more with the 15 ...