A Lander photographer captured a striking “leaf fall” of brilliantly colored aspens cascading through Sinks Canyon. Experts ...

Colorado State Forest Service entomologist Dan West says the first reports of yellowing aspen leaves started in mid-August. By late last week, as sightings of possible fall foliage continued across ...

Aspen trees have seen better days, but gray wolves are helping them out. Yellowstone National Park isn't just home to geysers like Old Faithful. There's also plenty of wildlife, from the Yellowstone ...