ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

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 ...

We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.

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

Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside ...

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

Giant radio galaxies are cosmic megastructures that can span millions of light-years, making them some of the largest-known ...

This information includes stellar movements, luminosities, temperatures, and compositions, allowing scientists to reconstruct the history and structure of our galaxy. The mission has enabled the ...

The plasma jets of this cosmic giant span 3.3 million light-years from end to end - over 32 times the size of the Milky Way ...