Newton and the key to the universe

Goethe’s achievement as artist, scientist and statesman

Our understanding of the Universe has revealed that its existence, and indeed our own, relies on a particular set of rules. For example, the fundamental ‘constants of nature’, such as the charge of th

As an astronomer, I collect stars. There are several hundred billion of them in our Galaxy, the Milky Way, so it’s important to find a way to categorise them. While others might rank their stars by co

Amazing answers to your curious questions

Astronomers are now regularly detecting planets thousands of light years from Earth – but have we missed one in our own Solar System?

Although it’s by no means certain, scientists are slowly accumulating evidence that life once existed on the Red Planet