Every 200 million years, high-energy comets may pelt our planet as it passes through our galaxy's spiral arms. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

The Department of Geology is about much more than rocks and minerals. Its faculty and students perform cutting-edge research on everything from how glaciers react to climate change to how molten lava ...

For decades, helium has been produced with natural gas, generating huge carbon emissions. Now, geologists are looking for new ...

The Fellowship did not begin the Quest in the Shire; nor did the Quest end in the darkest depths of Mordor. There was no trekking through the Mines of Moria, and the Plains of Rohan remain untrod, for ...

With tectonic plates bumping and grinding against each other, Earth is a pretty active planet. But when did this activity begin? A new study from Yale University claims to have found evidence that ...

Geologic maps are used to locate natural resources, such as water or oil, or the best place to hunt for fossils, but they can also be eye catching works of art. Sharon Purdy A low-lying topographic ...

Which is longer, an era or an epoch? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. From the emergence of life to mass extinctions, Earth has ...

A thin slice of the ancient rocks collected from Gakkel Ridge near the North Pole, photographed under a microscope and seen under cross-polarized light. Field width ~ 14mm. Credit: E. Cottrell, ...

Jurassic, Pleistocene, Precambrian. The named times in Earth’s history might inspire mental images of dinosaurs, trilobites, or other enigmatic animals unlike anything in our modern world. Labels like ...

Steve Petsch receives funding from National Science Foundation. Jurassic, Pleistocene, Precambrian. The named times in Earth’s history might inspire mental images of dinosaurs, trilobites or other ...