In a study co-authored by a Texas A&M University scientist, researchers have revealed new insights into the geological ...

NASA’s Mars rover is on the trail of a geological mystery in the Jezero crater. While exploring an area known as Witch Hazel ...

Hand-carved arrowheads and jagged spears made of obsidian, a sharp rock formed by volcanic magma, are remnants of vast ...

Photo by Todd Kristensen Volcanic glass has been discovered at more than 500 archaeological sites in western Canada.

What was left of the man’s brain had changed into fragments of shiny black glass ... in a rock material called silica. When it cools down rapidly, it forms obsidian. This is a natural volcanic ...

Lava flows are masses of magma that pour onto the Earth's surface during an eruption; they include both moving lava and the resulting solidified deposits of black ... of volcanic rock and lava ...

Baby birds skitter about the mudflats and bluebottles sprawl on the black sand. We hear it before ... made up of minuscule pieces of volcanic rock piled on top of each other.

during the natural alteration of volcanic glass and ash, giving the rock a "mudrock-like" aspect." The alteration of the ash due to passage of water induced the precipitation of zeolites ...

“We never expected to find delicate tissues such as feathers preserved in a volcanic rock.” Using electron microscopes and chemical tests, the researchers analysed samples of the fossil ...

Jeju Island, a stunning jewel off the southern coast of South Korea, is a destination that offers a perfect blend of natural beauty, unique culture, and rich history. With its lush landscapes, ...

Photo by Todd Kristensen Volcanic glass has been discovered at more than 500 archaeological sites in western Canada. Geologically-speaking, it shouldn’t be there. Now, researchers may have ...