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 ...

Emily Schwing: In 1912 a volcano in Alaska more than blew its top. Known as Novarupta, it was responsible for the most powerful volcanic eruption of the 20th century. Kristi Wallace: The reason we ...

Read about the volcano that some believe almost wiped humans off the planet Donald R. Prothero Our story begins on a very bad day about 74,000 years ago. The planet was starting to move out of one of ...

HONOLULU (KHON2) — The summit of Mauna Kea on the Hawaiʻi Island hosts the world’s largest astronomical observatory for optical, infrared and submillimeter astronomy. But Mauna Kea has a much more ...

Rising more than twice the height of Mount Everest, Olympus Mons dominates the landscape of Mars and holds the title of the ...

A hiker's pack usually gets lighter over time as they plow through trail mix and water, but Annika Dechert likes to joke that hers gets heavier. As an Earth sciences graduate student at the University ...

California has seven active volcanoes, each with a unique eruption history, categorized by type and threat level. The USGS monitors these volcanoes, providing information to authorities and the public ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...