A cold front brought bitter cold temperatures to Yellowstone National Park. With temperatures dropping to around 0°F (-18°C) in some areas, a thin layer of ice formed along the shore of Yellowstone Lake, serving as a reminder that winter is right around the corner. What are you doing to prepare for winter? Warm yourself up at https://www.nps.gov/yell/planyourvisit/visiting-yellowstone-in-winter.htm to learn more about preparing for a winter visit to Yellowstone. | Yellowstone National Park

Is a wrecked ship really rising out of the muck in Yellowstone Lake due to uplift of the caldera? Learn the answer in this month's Yellowstone Volcano Observatory update from our friends at USGS Volcanoes! | Yellowstone National Park

The water flowing through Yellowstone and the Greater Yellowstone Ecosystem (GYE) is a vital national resource. The headwaters of seven great rivers located here flow from the Continental Divide across the nation to the Pacific Ocean, and the gulfs of California and Mexico. Rain and snow in the mountains and plateaus of the Northern Rockies flow through stream and river networks to provide essential moisture to much of the American West. Together, Yellowstone’s streams and rivers support an abun