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

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

In the meantime, there remains a chance to glimpse Gaia through a small telescope before its final retirement. Uwe Lammers, ...

Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

The Hubble Space Telescope completes a high-resolution portrait of our galaxy's gorgeous neighbor, which will help scientists better understand our Milky Way.

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

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

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

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

Soon, the Gaia spacecraft will leave orbit and begin its retirement in the depths of space. In the last 10 years, it has ...