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 ...

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.

After more than a decade of mapping billions of stars across the Milky Way and beyond, a groundbreaking spacecraft is retiring. The European Space Agency’s space-based observatory known as Gaia is ...