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 ...

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

Goodnight Gaia. The European Space Agency star-tracking satellite ceased operations on Wednesday, Jan. 15, 2025, after 12 years of mapping the Milky Way.

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

Gaia space telescope aimed to create an accurate and detailed 3D map of billions of stars in our galaxy and has flipped astronomers' understanding of the Milky Way on its head. After more than a ...

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 ...

The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 trillion observations of about 2 billion stars and other objects over the ...

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 ...