ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

Planets, asteroids and comets orbit more massive stars, and stars collect around supermassive black holes, forming galaxies. Large galaxies, like the Milky Way, attract smaller galaxies.

Chocolate fans are delighted after discontinued chocolate bars have been spotted in a number of stores for a cheap price - ...

The European satellite, launched in 2013, has exhausted its gas reserves and is preparing to return to a stable orbit before being 'passivated.' But while the data collection that revolutionized ...

Gaia was launched on December 19, 2013, and began scanning the stars in July 2014. It mapped over two billion stars, ...

At just over 20,000 mph, experts say they're the fastest of their kind on any known planet. Find out more here.

The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with ...

Known as Sgr A* – pronounced “Sagittarius A star” – the supermassive black hole is four million times the mass of the sun and is known to exhibit flares that can be observed in multiple wavelengths, ...

The materials that make up your body are intergalactic voyagers that have existed beyond the limits of the Milky Way. New research suggests that the carbon that serves as the building blocks of ...

"It marks an exciting step forward in our understanding of dark matter and the dynamics of the Milky Way." A perplexing "break" in a stream of stars around the Milky Way could be the result of ...

“our view of the Milky Way will become even more accurate,” he said. The spacecraft is nearly out of fuel now; when its tank is fully expended, Gaia will be moved into a retirement orbit.