A survey of planet-hosting stars offers some of the first real-world evidence that ageing suns shred inner planets, offering a clue to Earth's eventual fate
Carbon dating brain cells provides conclusive evidence that part of the adult human brain constantly renews itself – and that this neurogenesis persists in old age
People backing a crowd-funded project to genetically engineer a glowing plant will receive its seeds. Is it setting a dangerous precedent or harmless fun?