A Supernova Was Hiding in Antarctica’s Snow Researchers melted and analyzed 1,100 pounds of snow from the region. They found traces of cosmic dust, some of it created by nearby stellar explosions. https://www.nytimes.com/2019/08/19/science/antarctica-snow-supernova.html?fallback=0&recId=1PmpXg8hzIPBXIP3CUKYpVWOepp&locked=0&geoContinent=NA&geoRegion=CO&recAlloc=control&geoCountry=US&blockId=home-discovery-vi-prg&imp_id=635410699&action=click&module=Discovery&pgtype=Homepage