Thundereggs look like regular rocks from the outside, but contain intricate and colorful mineral patterns inside — often made ...

Earth is a planet full of mysteries. There are so many strange yet fascinating geological phenomena that just seem impossible to be a reality. From fossilized forests to a gas crater that has burned ...

Martin said the goal is to help people safely explore the landscape while also protecting a part of Kentucky’s natural ...

My research interests focus on the behavior of continental arcs, where magmatism, deformation and climate processes are linked. I study patterns of episodic continental arc magmatism at many scales to ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

Greenland is in a remote location, but that doesn't mean it's inconsequential. Greenland is home to valuable resources and ...