Wildfires burning at or near the Grand Canyon's North Rim are still raging as strong winds, high heat and low humidity ...

"The discovery emphasizes the dynamic nature of Yellowstone's thermal activity," Yellowstone Volcano Observatory's Mike ...

Researchers from Michigan Tech University were unable to conduct their annual wolf-moose survey on Isle Royale this past ...

A wildfire that destroyed a historic Grand Canyon lodge is continuing to spread out of control after it had been allowed to burn for days.