EnvironmentA swarming asexual midge is island hopping towards Antarctica Biologists say biosecurity measures need to be stepped up to prevent a non-biting midge reaching Antarctica, because it could radically change the continent 51¶¯Âþ
EarthJoin NASA's Operation IceBridge on its icy polar mission This photoset is a glimpse into life as an ice watcher – flying long missions over frozen polar terrain to keep tabs on the warming world Regulars