LifeAncient animal's fossilised brain prompts rethink of spider evolution A 500-million-year-old sea creature called Mollisonia shared a similar brain structure to modern spiders, suggesting that arachnids first evolved in the sea News
EarthIn millions of years, what could a future civilisation learn about us? Millions of years after humans vanish, fossil clues showing how we lived and dominated the planet may confuse future civilisations, says a new book by Sarah Gabbott and Jan Zalasiewicz Culture