Lichens bridge the living and non-living – understanding them allows us to better see how to conserve our heritage, and also ...

Geologists recently dated the age of Watersmeet gneiss, a type of rock in the Upper Peninsula, as the oldest in the U.S. Here's what to know.

Smithsonian researchers trekked to a remote site in northern Canada to collect four-billion-year-old rock samples that could ...

A century ago, before the establishment of Coral Gables, the site for the Venetian Pool was an eyesore: a coral rock quarry ...