Formed after a volcanic eruption when lava cools so fast that mineral crystals are unable to form, the rock appears as amorphous dark-colored glass known as obsidian. Notable qualities of obsidian ...

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.

Agates are formed when gas bubbles in lava leave a hole in the "vesicle" in the rock, according to the Michigan Department of Environment, Great Lakes, and Energy. Silica (silicon dioxide ...

Earth’s core is apparently a bit leakier than scientists expected. In a new study published in Nature, researchers describe ...

Within the Hawaiian islands, scientists have found multiple noteworthy metals, including gold, inside the volcanoes. “The ...

When the first results came in, we realised that we had literally struck gold! Our data confirmed that material from the core, including gold and other precious metals, is leaking into the Earth’s ...

Even if you don’t book a room, sip coffee or cocktails at the Bradford House. Visit the 175,000-square-foot First Americans Museum, and get to know the state’s First American history and ...

The low lighting, vinyl brass-tacked burgundy booths, a lava rock fireplace, and gold and velvet-flecked wallpaper invoke serious retro vibes. For some, the concept could be too kitsch ...

Researchers have found fresh evidence that Africa is breaking apart because of a deep mantle superplume of hot rock beneath ...

This helps create that deep layer of flavor on a grill." Sponsor Message He suggests using lava rocks in the bottom of the grill because they "are porous and absorb all of your grill drippings ...