Whether you're a seasoned climber or total beginner, this slot canyon excursion in Arizona is sure to satisfy every level of ...

Yellowstone National Park has a new plan for dealing with geologic hazards like thermal explosions and earthquakes for the first time in 11 years ...

NASA is keeping an eye on Yellowstone, but not for the reason you might think. While most people worry about the supervolcano erupting, NASA is more interested in its extreme environment. The hot ...