In the nothingness' Like most galaxies in the universe, the Milky Way spins like water in a whirlpool, and its rotation is driven, in part, by all the matter that swirls within its disk.

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

Prior to Gaia, obtaining a robust rotation curve for our galaxy was challenging, unlike the case for external spiral galaxies. This challenge stemmed from our position within the Milky Way ...

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

The European Space Agency's (ESA) Gaia telescope has completed its objective - making the most detailed and precise map of ...

A short historical outline of the subject is given, commencing with Glydén's discovery in 1871 of the galactic rotation effect in stellar proper motions, and dealing finally with recent research ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

Jamie Carter is an award-winning reporter who covers the night sky. Summer is the best time of year for seeing the Milky Way from the northern hemisphere—and parts of August are the very best.