The cataclysmic universe

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

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

An artist’s impression of Cha 1107-7626 accreting material ...

GLOBAL EYE

Amazing answers to your curious questions

Might our universe – as vast as it is – be simply one of many? We look at the growing evidence that there’s more than one cosmos out there