Yellowstone’s wolf reintroduction has often been described as one of conservation’s clearest trophic-cascade success stories.

Thirty years after gray wolves were reintroduced to Yellowstone, the verdict is more nuanced than the popular legend. The ...

The award-winning documentary “Lost Wolves of Yellowstone,” in IMAX, is now showing on San Diego’s largest IMAX screen, in the giant dome of the Fleet Science ...

A repeat child sex offender was sentenced to prison after he traveled from Colorado to Utah to rape who he thought was a 13-year-old girl.Cody Williams, 31, of Firefighter hospitalized after brush ...

Few animals symbolize wild interconnectedness quite like wolves, whose return helped reveal just how tightly ecosystems are woven together.

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Birds, butterflies, beaver and antelope, wildflowers and frogs — could their survival possibly be ...

Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow trees thrived. This, in turn, allowed beaver numbers to increase, ...

In movies and literature, a wolf’s haunting howl can signify danger or untamed nature. In real life, researchers in Yellowstone National Park are analyzing those howls with cutting-edge AI technology ...