We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

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

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

The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble ...

These bodies, hidden behind dense clouds of gas and dust, could represent a previously unknown type of interstellar object. The research, led by astrophysicist Takashi Shimonishi and his team, raises ...

The Milky Way -- no, not the candy bar -- is Earth's ... notes that Earth is located along one of the galaxy's spiral arms, about halfway from the center. Our solar system takes about 240 million ...

The Milky Way and Andromeda are the two largest objects ... The merger could also heat the gas along each galaxy's spiral ...

and you may catch a hazy ark of light stretching from horizon to horizon—the spiral arms of our own Milky Way galaxy. Good luck with that. With light pollution getting worse with every passing ...

The European Space Agency's (ESA) Gaia telescope has completed its objective - making the most detailed and precise map of the Milky Way galaxy. The agency shared the visuals on social media, ...