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

With new images from the Hubble Space Telescope, we have new information here in the Milky Way about our closest neighboring ...

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass ...

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