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 ...

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.

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

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

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 ...

A trio of astronomers from the University of Tokyo and Niigata University have found what they describe as "peculiar embedded ...

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 ...

A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's ...

In the meantime, there remains a chance to glimpse Gaia through a small telescope before its final retirement. Uwe Lammers, ...