A photo by Robert Doisneau of cellist Maurice Baquet performing on a mountaintop in Chamonix, France, was the inspiration for the Geode, the newest outdoor performance space at Tippet Rise, the visual ...

Real geodes are handball-sized, hollow rocks that start out as bubbles in volcanic or sedimentary rock. Only when these inconspicuous round rocks are split in half by a geologist, do we get a chance ...

The fun of geode cutting is never knowing which rock will actually pay off, and this one delivers the biggest surprise of the ...

Homo erectus may have deliberately selected rocks embedded with fossils and crystals to craft their hand axes — possibly to ...

Add Yahoo as a preferred source to see more of our stories on Google. This amethyst geode weighs 1,933 pounds and is 44 inches long. Fossils, purple geodes, and more are hitting the auction block ...

What starts as a fun Kentucky rockhounding trip quickly turns into a series of absurd crystal reveals. Broken geodes are ...

The Lake Geode Challenge may be the toughest race on the Heart of America circuit. Click to view slideshow. Lake Geode State Park is located near Danville, in southeast Iowa. The Lake Geode race is ...

The classic signs of Spring in southeast Iowa — lilacs, morels, rain instead of snow — will be joined this year by the thrill of deep waters as Lake Geode begins the end of a four-year dry spell.

Since at least December 2017, a photograph of an impressively tall geode has bounced around the blogophere, almost always credited to a company called Nowar Minerals Inc. and accompanied by the ...

In an unusual image, the NASA/ESA Hubble Space Telescope has captured a rare view of the celestial equivalent of a geode — a gas cavity carved by the stellar wind and intense ultraviolet radiation ...