SpaceCarlo Rovelli: Where does the stuff that falls into a black hole go? What happens to matter in a black hole? The question has spawned many paradoxes, and in an extract from his latest book, physics superstar Carlo Rovelli proposes an answer Culture
VideoPerseverance Mars landing: Will NASA find life? Perseverance is the first NASA mission to explicitly look for signs of ancient life. It will also test the first extraterrestrial helicopter and prepare for human exploration. Video