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 ...

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

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...

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