ESA Gaia Science Community

Science with 1 billion objects in three dimensions

Welcome to ESA's website for the Gaia Scientific Community

Gaia Data Release 2 is now available from our Gaia Archive:

Access our page dedicated to Gaia Data Release 2

News & Highlights

09/05/2018 Gaia Archive is up again

This morning we were experiencing some problems with queries to the Gaia Archive. This problem has been solved now and access to Gaia data is fully restored.

25/04/2018 Gaia DR2 release day

Today we released our our second batch of data. Many thanks to all the work of the people involved in Gaia!

Information on the papers describing the data processing and the science potential of Gaia DR2 can be found here. Now there are some in-depth stories on the data release are available, as well as a guide to scientists to help you get up to speed with using Gaia DR2.

Many images and stories were released today: Gaia creates richest map of our Galaxy and beyond, Gaia's sky in colour, Gaia's Hertzsprung-Russel diagram, Cosmic scales covered by Gaia's second data release, Large Magellanic Cloud, Small Magellanic Cloud, Gaia's view of more than 14000 asteroids, Gaia's globular clusters and dwarf galaxies, Gaia's globular clusters and dwarf galaxies - with orbits, Gaia's new map of star density, the Galactic sensus takes shape, Rotation of the Large Magellanic Cloud. Many more are expected from the science with Gaia data release 2.

Make sure to watch the 360 degrees Gaia first sky map in colour with your smartphone and Google cardboard!

20/04/2018 Gaia DR2 media kit available now

The media kit for our second Gaia data release is now available. Today also two stories were published on the results from Gaia data release 1. Read about Gaia's surprising discoveries: from the Sun's neighbourhood to the distant universe and Gaia's surprising discoveries: scrutinising the Milky Way.

14/04/2018 Gaia tops 100 billion star transits

Today the Gaia main database indicated that we topped 100 billion star transits through the focal plane. With celebrate this event with a dedicated image of the week. An overview of the total amount of observations taken is available on this page.