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

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

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

However, it is now considered a dwarf planet instead. The universe has billions of galaxies, and our solar system is in the Milky Way Galaxy. The Milky Way contains at least 100 billion other ...

New ground- and space-based infrared observations are giving astronomers a better handle on the true populations of red ...

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 ...

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

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

The solar system consists of stars, the Sun, 8 planets, dozens of moons, millions of asteroids, comets, and meteoroids. It orbits the centre of the Milky Way galaxy at about 515,000 mph.

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?

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