TechnologyWind riders: Amazing albatross flight inspires drones Albatrosses fly fast for huge distances, barely flapping a wing. Can they teach us to build drones that will stay aloft for months or even years? Features
EarthUp with the thunderclouds above the Amazon rainforest A tricked-out Gulfstream jet called HALO tackled 100 °C temperature swings and forest fire smoke to penetrate the storm clouds above Brazil Regulars