LEXINGTON, Ky. (WKYT) - Coal has been a hallmark of the Kentucky mining industry for years, and for 25 of those years, Kentucky has celebrated coal as its state mineral. There is just one problem: ...

Test your rock & mineral smarts—are you a Rock Star? Think you know rocks and minerals? Take the Science Trek quiz! Test your smarts on gold, salt, Earth’s oldest rocks, gemstones on Mars, and the ...

Rocks and minerals are closely related, but there are fundamental differences between the two. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The first 1.5 billion years of Earth’s evolution is subject to considerable uncertainty due to the lack of any significant rock record prior to four billion years ago and a very limited record until ...

WYOMING, Mich. — What looks like just a rock to most people can hold much more meaning for collectors. The rock can be a story, a science lesson, or even a childhood memory. The Indian Mounds Rock and ...

There are about 6,000 different types of minerals, but only a couple hundred are gemstones. Learn more about these special minerals and how someone like you can find your own gemstone. Science Trek is ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. There would be no bright and colorful fireworks without rocks and ...

The Science Education Center houses thousands of rock and mineral samples in what is known as "The Rock & Mineral Room." The entire collection can be viewed by clicking on each of the virtual drawers ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. There would be no bright and colorful fireworks without rocks and ...