The League of Lonely Geologists is a game of finding rocks, sharing them with strangers, and hurling them into a mysterious space portal.
The building blocks of urban landscapes are often riddled with fossils, with Jurassic reptile bones and Cretaceous sea creatures sometimes emerging from the stone surfaces.
The first book to illustrate a pencil was published in the 16th century, and its author was more interested in the properties of the lead than the implement itself.
Seen from Earth, the moon glows a pure off-white, its craters sometimes visible in light gray shadow. Maps made by the US Geological Survey offer a vastly different visual depiction of the Earth’s moon, using the full color spectrum to denote differences in topography and geology.