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 ...

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

Our solar system resides in a galaxy called the Milky Way, stuffed with between 100 billion and 400 billion other stars, many of them with planets of their own. The Milky Way got its name from the ...

Scientists have uncovered the existence of a binary star system close to the black hole near the center of the Milky Way galaxy.