This is a new artist’s impression of our galaxy, the Milky Way, based on data from ESA’s Gaia space telescope.

Last starlight for ground-breaking Gaia

15 January 2025

The European Space Agency’s Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than three trillion observations of about two billion stars and other objects over the last decade to revolutionise the view of our home galaxy and cosmic neighbourhood.

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Largest chemical map of the Milky Way unveiled

13 June 2022

The European Space Agency’s (ESA) Gaia mission has released a new treasure trove of data about our home galaxy, including stellar DNA, asymmetric motions, strange ‘starquakes’, and other fascinating insights.

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