Antarctica once had a rainforest just 900 km from the South Pole. Fossil roots reveal how warm it was 90 million years ago
A sediment core pulled from the seabed off West Antarctica has preserved evidence of a forest that grew near the South Pole about 90 million years ago, when the continent was warm enough to support a wet, temperate ecosystem. The core contains fossilised roots, pollen and spores from vegetation that lived at a latitude of…
