Choosing a waterfall hike usually means that three things will be true on your trip. One, the views and subsequent pictures ...

In the late 1970s, massive boulders in the middle of a residential lot east of Sacramento deterred everybody from building there. The only two choices seemed to be blowing up the ancient rock ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Shaul Hurwitz, research hydrologist ...