Over the past 20 years, the Nigerian-born Nkanga, 50, has explored the idea of rock, and by extension the land that sheds it, ...

Maui House, designed by Hawaii Off Grid Architecture & Engineering, is a sustainable residence in Hawaii that combines ...

Water from both volcanic rocks and deep mantle melted Earth's crust 1.6 billion years ago. This long-lasting melting formed ...

New research suggests ancient Mars may have been warm and wet, with rainfall or snowmelt carving its iconic valleys.