Stephen Wilkes' newly born granddaughter inspires him to bear witness to how national parks are affected by climate change.

After a long day of hiking in Yellowstone National Park, inhaling sulphur mist from hot springs and eating a smashed peanut ...

Yellowstone National Park workers are also keeping a close eye on its grizzly bears these days. There is a concerning trend taking place. Just days ago, multiple departments reacted, moving one ...

A National Park Service spokesperson said animals are not leaving Yellowstone in large numbers, and a volcanic eruption is thousands of years away.

A 17-year-old hiker suffered “significant thermal burns” on his foot and ankle after coming in contact with a geyser at Yellowstone National Park on Monday, officials said. The unidentified ...