As spring arrives, with the air still cool enough for adventure and golden light stretching long into the afternoon, the ...

"Why do we always feel the need to destroy?" Yellowstone National Park worker shares upsetting photos of visitors' shocking ...

World Heritage Sites may sound like something only culture vultures will care to see. But don’t make the mistake of ...

From a game of pickleball to time on the Iowa Great Lakes or a float down the river, here are 14 things to do outside this summer in Iowa.

Pattison State Park is home to Big Manitou Falls, which drops a dramatic 165 feet – making it the highest waterfall in ...

Stone State Park sits on the edge of the Loess Hills, creating this amazing contrast. The park covers over 1,000 acres of ...

In the vast white expanse around Churapcha in eastern Siberia, the ever more rapid thaw of the permafrost is changing the ...

Shasta Valley's strange hills reveal a secret — the debris of a massive ancient mountain collapse in Northern California.

Show more Show less The rapid thaw of the permafrost is cracking houses and releasing greenhouse gases Permafrost covers some 65 percent of Russia's territory Temperatures have gone up by 1.5 ...

These elements are highly chemically reactive, which is key to causing the accelerated process of rock formation. When the slag is eroded by the sea, it exposes the material to seawater and air ...