At first glance, the village of Gulu in China’s Guizhou province looks like any other quiet countryside. Rolling hills, green fields, and winding dirt paths paint a peaceful picture. But look closer, ...

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 ...

People are vandalizing rock formations at US National Parks, and destroying unique geological features that have taken millennia to develop. Earlier this week, photographer Kevin Dunn shared a picture ...

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 ...

Various forms of underground activity, such as deep wells or the disposal of hazardous materials, require the long-term sealing of rocks. A team of researchers has developed an innovative method based ...