SAN FRANCISCO (KGO) -- There's a new record for the world's largest aerial firework. It was launched during the finale of the Winter Carnival Night Extravaganza in Steamboat Springs, Colorado, on Feb.

STEAMBOAT SPRINGS, Colo. — The skies over Steamboat Springs, Colo., erupted in red as the world's largest firework launched Saturday night at the city's annual winter carnival. The firework shell ...