The hydrothermal explosion that rocked Yellowstone National Park's Biscuit Basin tossed rock blocks weighing hundreds of pounds short distances, sent steam and debris hundreds of feet into the air, and changed the personality of two hot springs, according to Yellowstone Volcano Observatory scientists.

A hydrothermal explosion rocked Tuesday morning rocked Biscuit Basin in Yellowstone National Park, sending a towering eruption of hot water, rocks, and other debris into the sky and sending visitors running.

The ongoing restoration of the Cape Hatteras Lighthouse relies on science, history, art, and patience.

It’s a rare double heron day at the only national park dedicated to preserving aquatic plants. A Yellow-crowned Night Heron is stalking crustaceans in a water lily pond straight out of a Claude Monet painting. A Green Heron clutching a lotus stalk stands surrounded by pink and white flowers, huge, cup-shaped leaves and bright green pods that look like shower heads.