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

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

This collage highlights a small selection of regions of the Milky Way imaged as part of the most ... [+] detailed infrared map ever of our galaxy. Here we see, from left to right and top to bottom ...

Issues delivered straight to your door "I expect Gaia's best results are still to come." ...

The European Space Agency's Gaia spacecraft concludes its 12-year mission to map the Milky Way, leaving behind a legacy of ...

The European Space Agency's (ESA) Gaia telescope has completed its objective - making the most detailed and precise map of ...

The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...

100 years ago, Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help. If we could go back 101 years, we would encounter a time when ...

While spiral galaxies like our Milky Way are flat, the most ancient galaxies in the early universe seen by astronomers ... and the Chinese Space Station, to map the stars within the ancient ...