USGS has unveiled its most detailed national geologic map, giving the public a free, interactive way to explore underground features. Here’s how to use it.

I love the Grand Canyon, both personally (because of all the good memories I have of my adventures there), and as a scientist. I first saw it in the early summer of 1981 when I went on a six-week-long ...

The rock layers surrounding Natrona County’s Alcova Reservoir are not only breathtaking to see; they also are windows to a portion of Earth’s history. Stephen Whitaker, a senior petroleum geologist ...

The 4-H Geology project introduces youth to the fascinating hobby of “rock hunting.” Geology involves studying the earth’s crust, its layers, and their history. Youth learn to identify Indiana rocks, ...

Big Four Mountain's mystery: 82-degree tilted rock layers defy geology's horizontal rule. There’s a basic rule in geology: Sedimentary rock layers build up horizontally. So how did the slabs of Big ...

What kid hasn’t had some sort of rock collection? Discovering hidden gems is always a treat. Western Colorado is perfect for exploring geology with your kids. Look around — there is evidence of eons ...

A new study reveals how shifting ice shells on icy moons can cause dramatic pressure changes, sometimes enough to boil their hidden oceans. The outer planets of our Solar System are accompanied by ...

Geotechnical practitioners are often focused on the “Three G’s”—namely geology, groundwater, and geometry. The interconnectedness of the Three G’s is responsible for fundamental aspects of the Earth’s ...

It’s an abnormally hot day in September and I’m standing in a cattail marsh in eastern Wisconsin, trying to change the way my students view the world. They’re all distracted—by the heat, homesickness, ...