We often talk about climate change, melting glaciers, or strange landforms. But we rarely think about something that’s always around us– rocks. They don’t make the news, but they’re everywhere. We ...

This video is audio described. Watch it with captions, but without audio descriptions, here: https://youtu.be/w-tXJkMI_Mw Smithsonian geologist Ben Andrews introduces ...

What is the rock cycle? There are three types of rocks — igneous, sedimentary, and metamorphic — that have formed over time in the Earth's different layers. A rock can begin as one type and can change ...

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Watch an audio-described version of this video here: https://youtu.be/DO3VX7e1R7E Smithsonian geologist Ben Andrews introduces the three types of rocks — igneous ...