PACIFIC CITY, Ore. — Scott Burns, professor emeritus in geology at Portland State University, thought he had seen it all — until he saw a couple of photos of an extremely rare sand formation on the ...

This course is a critical inquiry into landscape drawing, overview of its history, techniques, and conventions. The second semester of the representation sequence will introduce landform concepts ...

An aerial drone photo taken on June 22, 2025 shows a view of Danxia landform in the rain at the Danxia National Geological Park in Zhangye, northwest China's Gansu Province. (Xinhua/Chen Bin) An ...

Twenty thousand years ago, the land we live on now was under the leading edge of the last glacier of the last Ice Age. It takes effort today to imagine those hundreds of feet of ice over our heads, ...