Up until the mid-1990s, the ecosystem of Yellowstone National Park had turned into a gloomy, barren land, overgrazed and overpopulated by elk. But ever since wolves were reintroduced in the park, the ...

There aren't many places where you get the chance to give a wolf a cheeky scratch behind its ears. In fact, you'd be lucky to catch a glimpse of one in the wild. But at Colorado Wolf and Wildlife ...

Orr, Minn. — The first clue was the flock of ravens. Tom Gable spotted the birds while driving to work. He pulled over and saw what they were circling: a rib cage poking out of the fresh dusting of ...