If all the world’s volcanoes erupted at once, skies would darken, climates would collapse, and life on Earth could be pushed ...

In a rare display, BASE jumpers have been spotted flying off of El Capitan in Yosemite Valley in broad daylight all week long ...

Will Yellowstone ever erupt? Many people worry about the likelihood that the supervolcano beneath the park will stir to live one day.

A little over a week since the Oct. 1 shutdown of the federal government, videos and photos have surfaced on social media ...

The bottom line is there are too many people, too much crowding and congestion and too long of wait times at entrance ...