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

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

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

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

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

While stellar surveys continue to expand in volume, our view of the Milky Way remains severely obscured, with the vast majority of stars we can study concentrated around the sun. This discrepancy ...

Goodnight Gaia. The European Space Agency star-tracking satellite ceased operations on Wednesday, Jan. 15, 2025, after 12 ...

In their study published Thursday in the journal Science, they showed that by measuring the distance between classical Cepheid variable stars within the galaxy, they could develop a three-dimensional ...

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

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

The European Space Agency's Milky Way-mapping space mission Gaia, which involves UCL researchers, has completed its ...