The European Space Agency’s Gaia telescope has a five-year mission: to catalog and monitor a billion stars in the Milky Way galaxy. The unprecedented survey will reveal properties of each star, ...

After 11 years in solar orbit, the European Space Agency’s Gaia spacecraft has completed its mapping of our Milky Way Galaxy to a precision never before achieved. Surviving solar radiation and even ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Artist impression of ESA's ...

"We will never forget Gaia, and Gaia will never forget us." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Europe's star-mapping Gaia space ...