Somewhere out there, far away, is a ‘killer lake’. Surrounded by dead animals, it can cause you to choke on the air just by ...

This week's contribution is from Ninfa Bennington, geophysicist with the U.S. Geological Survey at the Hawaiian Volcano Observatory. How can lightning and solar storms be used to map magma beneath ...

The subterranean aquifer lurking in the mountains contains three times as much water as Lake Mead at full capacity.

The giant supervolcano that lies under Yellowstone National Park is cooling off in the west but staying hot in the northeast.

Rangers at Yellowstone National Park are often asked to predict when the next massive volcanic eruption will occur there. A team of USGS scientists, who surveyed the park’s underground magma ...

An enormous water reservoir — likely the largest aquifer of its kind in on Earth — sits inside the volcanic rocks of the ...

Volcanoes and earthquakes are both natural phenomena driven by the dynamic processes that shape Earth’s interior and surface.

The continent, divided east to west by the Transantarctic Mountains, includes volcanic giants such as Mount Erebus and its iconic lava lake ... reduces pressure on magma chambers below the ...

A massive aquifer is stored just beneath volcanic rocks at the crest of the central Oregon Cascades – possibly the largest ...

heating and melting it to form reservoirs of magma 2½ to 30 miles below the surface. In the past this was often pictured as a single underground lake of lava beneath volcanos, but newer mapping ...