A new study led by University of Wisconsin-Oshkosh geologist Timothy Paulsen and University of Colorado Boulder ...

An analysis of Hawaii’s volcanic rocks revealed Earth’s core is leaking gold and other precious metals, a study found. The ...

NASA's Juno mission finds a massive lava lake in Jupiter, offering new insights into volcanic activity beyond Earth and the ...

A new study suggests the planet’s iconic domes owe their strange shape to both thick lava and a flexible surface.

Yooperlites are a variety of sodalite-rich syenite found in the Upper Peninsula of Michigan.

This was the start of the dream of KMT: The Krafla Magma Testbed, named for the volcanic system in Iceland. It’s a dream that ...

Konig’s wife suffered major cuts to her head — from the jagged, softball-sized lava rock — and required surgery, prosecutors said. While the couple were in Oahu, the two young sons stayed ...

Obsidian is a volcanic glass that cools ... If these bubbles are trapped in the lava, the final solidified rock will have small holes, called vesicles, that are a good indication of the amount ...

Otake described it as a “very small rock”, while Garner said it was a jagged, softball-sized lava rock. If you or someone you know is facing domestic violence, call the National Domestic ...

Agates are formed from silica solutions filling gas bubbles in lava rocks, creating bands of color. The best time to find agates in Michigan is after a storm. Popular Michigan agate hunting ...

I think the best way for you to be able to learn to recognize whether a chunk of stone was a tool or just a rock is to try flintknapping yourself. I have taught more than 100 people of all ages to ...