You'll spend your first and last night aboard the train ... Without a car, your options in Yellowstone are more limited. The ride is long and Amtrak's tours are guided Crowd watching Old Faithful ...

What if Yellowstone’s supervolcano erupted tomorrow? This documentary explores the catastrophic chain reaction of ash clouds, ...

A Yellowstone supervolcano eruption could bury hundreds of miles in lava and ash, disrupt air travel worldwide and plunge the ...

The Badlands' striking formations owe part of their story to Yellowstone's volcanic past, with unique layers of ash hinting ...