Major quantum gravity breakthrough could spark a new ‘theory of everything’

The tech revolution that manipulates the subatomic world

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

The question of how black holes grow should be an easy one to answer: they absorb material from their surroundings. But despite their fearsome reputation, supermassive black holes don’t rampage throug

Amazing answers to your curious questions

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

Measuring time using the Earth’s rotation was always an imprecise business, so now we do it using the ‘tick’ of an atom