Professor Tom Gernon sampling volcanic deposits at Boset Volcano in the Main Ethiopian Rift Looking out into the Main Ethiopian Rift, taken at Boset Volcano in Ethiopia ...

The Grande Ronde lava flows created the largest mapped flood basalt on Earth. New research shows that its Wapshilla Ridge flow produced massive amounts of sulfur dioxide, obscuring the sun and cooling ...

NASA Earth Observatory: The otherworldly footprint of black basaltic lava creates a striking landscape at Black Point Lava Flow in northern Arizona, seen in this photograph taken from the ...

Geologist Nick Zentner strides excitedly across the wet sand on his first-ever visit to Oregon’s Agate Beach. But his attention is not on the scenic shore or sparkling waves. It’s on the cliff that ...

Have you ever stood on land born from fire? In New Mexico’s Valley of Fires, ancient lava sprawls across the desert, twisted, black, and echoing the fury that once tore through the earth. This vast ...

United States Geological Survey (USGS) scientist Mark Stelton (left) and Kenneth Sims, a UW professor of geology and geophysics and a member of the USGS Yellowstone Volcano Observatory, examine a ...