Lost Wolves of Yellowstone Movie Trailer HD - Plot synopsis: On January 12th, 1995 wolves returned to Yellowstone National Park in America, 50 years after their extirpation. Mollie Beattie, director ...

A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park. Geologists call this type of bulge “volcanic uplift.” It’s often caused by ...