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 ...

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 ...

A new study published in Science marks the first time astronomers have directly measured the mass of a rogue planet, a ...

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.

This observatory has probably been the most transformative astronomy project of the 21st century, but there’s a good chance you’ve never heard of it. Just last week, for instance, the Hayden ...