SpaceWhen did time begin? Hint: It wasn’t at the big bang You may think that time started 13.8 billion years ago at the birth of the universe, but physicists with alternative definitions of time have other ideas Features
SpaceWould we recognise alien intelligence, asks Adrian Tchaikovsky novel In Shroud, Adrian Tchaikovsky's intriguing new novel, two women marooned on a strange moon encounter alien life – and struggle to recognise intelligence in other beings, finds Emily H. WilsonCulture