This 5 minute video, and accompanying worksheet, will illustrate the effects of wolf disappearance and subsequent wolf reintroduction to Yellowstone National Park. The resulting changes in ...

When hydrologist Bob Beschta arrived in Yellowstone in 1996, he noticed something odd with the Lamar River. The stream was over-widened, the banks were eroding and precious soil was sloughing off ...

Today about a hundred wolves, constituting ten packs, live primarily within Yellowstone National Park, where Doug Smith ... doesn’t appear on the tourist maps: an odd, deep little spring ...

The most famous wolf in Yellowstone National Park, collar number 907F, has died. Known as the “Queen of the Wolves” for her prolific lineage, 907F produced 10 litters of pups in 11 years ...

The first reports of Yellowstone, in the early 1800s, described a place in the northwest corner of the Wyoming Territory where mud boiled, water spouted, and steam came out of the ground.