If we could go back 101 years, we would encounter a time when scientists still thought the Milky Way was the entirety of our ...

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

Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.

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

Some 2,600 light-years from our own Solar System dwells one of the most peculiar planetary systems in the entire galaxy ... with the Kepler-51 system. One way to do that will be to peer into ...

Many stars in our galaxy exist in pairs. Now scientists are finding clues that our Sun may once have had a companion of its own. The question is, where did it go?

Crucial to all life on Earth, the 15th element of phosphorus remains a real puzzle for astronomers. Specialized space ...

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

This discovery now allows astronomers to witness the birth of a super star cluster in our neighboring galaxy. The LMC, a satellite galaxy of our own Milky ... much as our solar system's, similar ...

The ESA will passivate Gaia on 27 March 2025, the one-of-a-kind observatory craft that unravelled many of the Milky Way's ...

The ESA says Gaia has been mapping the positions, distances, movements, brightness changes, composition of stars in the Milky ...