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

There are more stars in the universe than grains of sand on Earth. The latest estimates suggest there are around one septillion stars, which is a 1 followed by 24 zeros. Our sun is a typical G-type ...

The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 trillion observations of about 2 billion stars and other objects over the ...

At just over 20,000 mph, experts say they're the fastest of their kind on any known planet. Find out more here.

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

In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...