The Grand Canyon has long been held up as a textbook example of slow, steady erosion carving a young gorge into ancient rock.

Earth researchers have spent generations decoding the Grand Canyon, turning its cliffs and chasms into one of the clearest ...

For decades, moldboard plows, disks and field cultivators, all horizontal tillage tools, have been the go-tos for fieldwork. That’s changing as fears about climate change come into focus. Sooner or ...