Gaia-4b is the most massive planet known to orbit a low-mass star. Also, see an animation for Gaia-5b, a brown dwarf orbiting ...

The star, named LAMOST J0804+5740, resides in the Gaia Sausage (also called Gaia Enceladus), the ancient remnants of a dwarf galaxy that merged with the Milky Way roughly 8 billion to 11 billion ...

The Tycho-Gaia Astrometric Solution (TGAS) is the first step in an updated map that will eventually contain a star’s position in 3-D, plus its motion, more accurately than ever before.

Gaia is an astronomical observatory spacecraft with a mission to generate an accurate stellar census, thus mapping our galaxy and beyond.

When white dwarfs—the hot remnants of stars like our sun—are orbited closely by another star, they sometimes steal mass away ...

Since its launch in 2013, the Gaia mission has revolutionized the study of our Milky Way galaxy.

Gaia scientists are agog after finding out that the star-spotting spacecraft can double as a planet-hunter.

The European Space Agency’s Gaia mission has discovered an unusual Milky Way star family, Ophion, that will disperse in record time.

The European Space Agency's Gaia telescope revealed half a million newfound stars, and detailed the orbits of over 150,000 asteroids.

The European Space Agency's Gaia mission has spotted an unusual family of stars all strangely eager to leave home -- a family we couldn't have discovered without the star-surveying spacecraft, and ...

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 ...

Gaia data can predict how stars will move across the sky in the next 400 thousand years It's been described as the "ultimate book of the heavens" - a catalogue of stars in our Milky Way Galaxy ...