NASA’s Hubble Space Telescope cracked a “glittering cosmic geode” in a new image of a triple-star system. One of the stars gives us a glimpse of what our own sun might have been like ...

It’s also very difficult to produce them in the laboratory.” Instead, researchers look to the surrounding rock and the geodes themselves for clues to their origin. Fiorella Arduin Rode ...

This evening and overnight, a band of heavy rain and downpours will sweep in from the west. During the early hours, the rain will ease, leaving variable cloud, clear spells and hill fog. Thursday ...

People view the 12-foot tall amethyst geode from Uruguay hosted at the American Museum of Natural ... [+] History in New York. Thanks to geological surveys and detailed chemical analysis ...

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Its rough exterior might not catch the eye, but what lies within surely will. Geodes are one of nature’s most spectacular treasures, offering a glimpse into the geological processes that shape ...

Large crystals found in geodes and other rocks are relatively rare. Pink ChalcedonyA pink chalcedony shows off its beauty. Chalcedonies include many types of cryptocrystalline quartz gems and ...