Saguaro Park in southeastern Arizona, near Tucson, offers a landscape unlike anything you’ll see elsewhere. The park hosts ...

Yellowstone has long been a mecca for scientists studying how predators affect everything from elk grazing to vegetation ...

A detailed study on Niwot Ridge finds fewer young pikas joining the population, hinting at broader changes underway in the ...

A new study from the University of Colorado Boulder raises concerns about the future of one of the Rocky Mountains’ most recognizable animals, the American pika ( Ochotona princeps ), a small, fuzzy ...