A centrepiece of Prof Stephen Hawking’s theory of black holes states that black holes can only grow. Thanks to precision observations made with the Laser Interferometer Gravitational-Wave Observatory

Scientifically speaking, there is no such thing as ‘touching’ something. When objects with mass – any objects with mass – touch each other, they aren’t physically in contact at all. There are two reas

Amazing answers to your curious questions

While we can’t vouch for the mind-body benefits of a financial audit, conduct a forensic review of your energetic accounts and you’ll profit from everything from better mood to more sleep. Here, we recruit the help of those who optimise energy for a living to find out how to invest in yours

Jo Marchant In Search of Now The science and mystery of the present moment 336pp. Canongate. £20. Robert M. Hazen and Michael L. Wong Time’s Second Arrow Evolution, order, and a new law of nature 176p

The elevator pitch made this trip sound very glamorous, but it’s nearing 43ºC and I’ve been stooping around in the desert for over an hour, eyes fixed on the arid earth. We’re in the Turkana Basin in