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

A moderately strong, 5.7-magnitude earthquake struck in Guatemala on Tuesday, according to the United States Geological ...

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Nearly two dozen state geological surveys depend heavily on federal funds. A proposed budget cut could slow or stop key geologic mapping work.

Mount Rainier on Tuesday experienced its largest seismic activity since 2009, with a swarm of small earthquakes detected.

Our two-person team loaded the car with a GPS, a drone, notebooks, sample bags, a trowel and a flat spatula lovingly called a ...

Jared Wildenradt has hiked the Ice AgeTrail nine times. Lisa Siewert is mapping the geologic highlights of the path. They ...

Footage from an active volcano and a geological attraction have been stitched together and misrepresented online as showing ...

Strata: Stories from Deep Time’ explores the origins of the air we breathe and untangles some of our planet’s oldest stories.

Biogeographical regions of marine organisms, i.e., their distribution across different habitats, often overlap well with the major global ocean currents. The geological age of the currents plays a ...

Denver Museum of Nature and Science researchers discovered what they are calling it the oldest and deepest dinosaur fossil ...