Arkansas 250 historical markers are being added to eleven locations across the Natural State highlighting their importance in ...

Florida's Indian River Lagoon (IRL), one of the state's most ecologically productive estuaries, is facing a growing but ...

The Green River’s dramatic route through Utah’s Uinta Mountains has puzzled geologists for more than a century. Now, a group ...

The Green River, the largest tributary of the Colorado River, appears to defy gravity for more than 100 miles as it cuts ...

"You need so much water that we think these could be evidence of an ancient warmer and wetter climate where there was rain falling for millions of years." ...

Travertine is not only a geological wonder but also a popular building material. Its use dates back to ancient Rome, evident ...

A massive blob deep under Hawaii seems to be solid and iron-rich, new research finds. This blob — scientifically known as a ...

This makes the story of how the Green and Colorado Rivers met so perplexing to geologists like Adam Smith at Scotland’s University of Glasgow. According to the coauthor of his team’s study published ...

“We’re hunting sheep, not taking rocks back up the mountain,” Livingston growls before he moves to the corrals, cutting out ...

Didymo — also called ‘rock snot’ because of its appearance — suddenly bloomed in Michigan streams in recent years, and scientists don’t really know why.

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests. New evidence of ...

From Niagara Falls to the Redwood Forests, state parks preserve many of the nation’s iconic landscapes and historic treasures ...