This stunning slice of Maine remained relatively unknown—until 19th-century artists spread its beauty far and wide.

It felt like paddling through soggy cereal. My wife and I were deep within Everglades National Park, struggling to kayak past dense mats of periphyton, a mass of algae, fungi and other organisms.

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

A fire near the Grand Canyon National Park in Arizona has grown more than 20 times in size in 24 hours as an intensifying ...

He saw her in Yellowstone and thought ‘I’m going to marry that girl.’ And he did Governor Delivers Blow to GOP with 169 ...

Wildfire smoke from Canada has made for bad air quality over parts of the Upper Midwest. Most of Minnesota had “unhealthy” ...

Plus: How to swim the Colorado River, moms and resistance rangers host a public lands bake sale and a new rural economic ...

Several Central Texas state parks that closed earlier this weekend due to flash flooding have shared updates about operations and photos and videos of the impact. "Conditions remain dynamic, and not ...

Terrified parents of missing girls from a Texas summer camp say they are 'praying' for a miracle after flash flooding swept ...

Yellowstone National Park's geological history is one of the most intensely studied in North America. A new geologic unit ...

When storms roll in, water rushes downhill fast, gaining speed and force as it moves — often with deadly results.

I've visited all 63 major US national parks. I think Great Smoky Mountains and Grand Canyon are some of the best parks for ...