An unprecedented endeavor to plot the largest, most precise three-dimensional map of the Milky Way galaxy is set for liftoff early tomorrow morning from the Spaceport following today’s go-ahead for ...

Payload preparations for Arianespace’s next Soyuz launch are progressing well at the Spaceport in French Guiana, where the Gaia billion-star surveyor is receiving its sunshield for in-orbit telescope ...

There are nearly 2 billion stars in our galaxy. At least that's what the most current map shows. Astronomers have mapped the most extensive atlas of our Milky Way galaxy yet, including the positions ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Artist impression of ESA's Gaia satellite observing the Milky Way. The background image of the ...

Today astronomers are saying goodbye to a remarkable spacecraft: a telescope that has observed nearly two billion stars in its 12-year life. The Gaia Observatory from the European Space Agency (ESA) ...

Using ESA's Gaia satellite and NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers from the Ege University in Turkey and elsewhere have observed a galactic open cluster known as NGC 2506.