The 1980 eruption cycle made Mount St. Helens one of the most famous and now best-monitored volcanoes in the Cascades. But it is far from the only volcano in the range. From southern British Columbia ...

A new study traces a 120-million-year-old 'super-eruption' to its source, offering new insights into Earth's complex geological history. Geologists led by the University of Maryland and the University ...

A team of geologists led by the University of Maryland and the University of Hawaiʻi finally connected one of the largest volcanic eruptions in Earth’s history with its source deep beneath the Pacific ...

While volcanoes have brought profound changes to landscapes here on Earth, volcanic activity on other planets and moons has followed a different path. It's easy to imagine space volcanoes as even more ...

NASA Apollo 17 astronaut Eugene Cernan drives a moon buggy at the lunar Taurus-Littrow Valley landing site in 1972. No one expected these glittering bits among the gray lunar dust back then. The beads ...

Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news stories. But despite the jolts and temblors, geologists say there's ...

Tiny glass beads brought back by NASA's Apollo 17 astronauts are helping scientists uncover new clues about how the moon erupted billions of years ago. No one expected these glittering bits among the ...