Yellowstone has been the site of persistent volcanic activity for more than 2 million years. But what did the region look ...

Yellowstone has been the site of persistent volcanic activity for more than 2 million years. But what did the region look like before the volcanoes started to erupt?

Winter weather conditions will continue over the mountains of south-central Montana into early next week. If you have plans in the mountains during this time, be sure to be prepared.