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

A SUMMARY of the most up-to-date knowledge of the galaxy is provided by an article ... commencing with Glydén's discovery in 1871 of the galactic rotation effect in stellar proper motions ...

Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside ...

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

The intrepid mapping mission has collected more than three trillion observations that'll change the way we see our neck of ...

That data release included stars as far out as 25 kiloparsecs, or about 81,000 light years, from the galaxy's center. Based on these data, Eilers observed that the Milky Way's rotation curve ...

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 ...

The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...

Scientists have found the beginnings of a young universe that may offer insights into the beginnings of our own Milky Way Galaxy. Geoff Bennett and Miles O'Brien discussed why scientists are ...

Situated approximately 2.5 million light-years from Earth, the Andromeda Galaxy is the closest major galaxy to the Milky Way, belonging ... the most detailed rotation curve ever made for it ...

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