You know that moment when your kids have been bouncing off the walls for three consecutive rainy days and you’re seriously considering whether living in a padded room might actually be a lifestyle ...

Explore the most stunning caves in California, from lava tubes and marble caverns to sea caves carved by waves along dramatic coastlines.

Blue Grotto is a cave that requires you to descend a ladder to enter, which immediately makes you feel more like an explorer and less like a tourist. The cave features beautiful blue-tinted ice ...

A massive 37-million-year-old underwater canyon reveals the fossil trace of an ancient Atlantic tectonic boundary.

In northeast Ethiopia, the rift shoved continental plates apart by 25 feet in just a few days, completely shocking ...

The Giles-House copyrighted e-book, “Geology of the Lower Owyhee River, Oregon’s Grand Canyon,” is now online at www.owyheegeology.com as a free downloadable document. An improved second edition will ...

If you are searching for how to make Human in Little Alchemy, you are trying to unlock one of the most important elements in ...

A collapsed lava tube detected in 30-year-old radar data from Venus may be part of a much wider network of underground caves.

Volcanic eruptions are significant geologic hazards. Underwater volcanoes are challenging to study, yet they play an integral role in marine geology and may cause destructive tsunamis that can ...

In the oceans and on land, scientists are discovering rare, transitional organisms that bridge the gap between Earth’s simplest cells and today’s complex ones.

Scientists have confirmed a massive underground lava tunnel beneath Venus using radar data from NASA’s Magellan mission.