By that metric, the ESA's Gaia mission is a resounding success. The spacecraft gave us a precise, 3D map of our Milky Way galaxy and has forced us to abandon old ideas and replace them with compelling ...

The European Space Agency's (ESA) Milky Way mapper Gaia has completed the sky-scanning phase of its mission, racking up more than three trillion observations over the past decade. Gaia was launched on ...

Map of the Milky Way plane obtained from data from the Gaia catalog (eDR3). The upper part shows a region where the Palomar 5 star cluster and its tidal tails are observed (DESI Legacy Imaging Survey, ...