SpaceA guide to cosmic fireworks, from stellar flares to black-hole beacons Far from serene, the night sky is a riot of spectacular bangs and flashes that reveal the universe at its most extreme. Here, an astronomer explains the explosive physics behind them and what they tell us Features
CommentThe best new science fiction books of August 2023 From speculative novellas by Josh Malerman to a first venture into science fiction from H is for Hawk author Helen Macdonald, August brims with sci-fi potential, says culture editor Alison Flood Culture