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 ...

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

It’s the original source of my lava and my crater lake ... Then the heat of the surrounding molten rock should start warming the obsidian of the glass pocket back up again slowly, until it melts back ...

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 ...

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 ...