A new way of measuring structures deep inside Earth has highlighted numerous previously unknown blobs within our planet's ...

Hawaiian Volcano Observatory reports the eruption within Kaluapele, the summit caldera of the Big Island volcano, paused at ...

Violent eruptions continue in Hawaii, sending lava hundreds of feet into the air and spreading glass threads over nearby areas.

Like fortune tellers who peer into a crystal ball for insight, volcanologists at the USGS Hawaiian Volcano Observatory peer ...

Discover the landmarks of Alaska, from majestic mountains to cool glaciers. Experience the adventure and natural wonders of ...

Kilauea volcano in Hawaii is erupting with fountains of lava. Check out a USGS livestream from within the Halema'uma'u crater.

With its iconic mountains, rivers, and coastline, it’s easy to overlook the adventure of discovering some of Oregon’s ...

Visit this Oregon monument for stunning views and adventure that rival Yosemite, without the crowds and hefty price tag!

Bárðarbunga - the second-largest volcano in the country - has been hit with a swarm of 130 earthquakes within just five hours ...

The 10-acre property includes four distinct “dammusi”—traditional structures with ancient origins built from volcanic rock ...

People were flocking to Hawaii Volcanoes National Park on Wednesday to get a glimpse of fountaining lava. The eruption that began Dec. 23 in a crater at the summit of Kilauea ...

Hawaiian Volcano Observatory reported in its daily Kīlauea update that the newest eruptive activity began at about 9:15 a.m. Wednesday, with a small lava flow exiting the north vent following ...