In a fascinating intersection of space exploration and Earth science, NASA’s Apollo astronauts once trained on the alien-like lava fields of Idaho’s Craters of the Moon, preparing to explore the ...

Oregon is not just misty mountains and trendy cities. This unexpected high-desert landscape near Bend is a unique "badlands" ...

Scientists have studied Yellowstone National Park's magmatic system for years, but a new view of the magma chamber shows the long-dormant supervolcano is not at immediate risk of eruption.

From Hawaii’s flowing lava to Alaska’s smoldering peaks, these U.S. states are home to the most active volcanoes, shaping ...