From prehistoric ruins to breathtaking desert vistas, these Arizona destinations highlight the state's most compelling ...

Dotsero is still technically active and the youngest volcano in Colorado. The United States Geological Survey defines “active ...

I slow down to take it in, watching ant-sized trail runners make their way through the valley below. There’s a small line ...

Humboldt ERFSA, the Emeritus and Retired Faculty and Staff Association will welcome Brandon Browne, professor in the Cal Poly Humboldt Department of Geology, on April. 9 from noon to 1 p.m. at the ...

Hawaii Island’s Kilauea volcano began erupting on March 10, spewing rock fragments as large as footballs, threatening nearby communities and closing nearby highways. "Vigorous fountaining has started, ...

Lava is molten rock from a volcano that reaches the Earth’s surface. Liquid rock below the Earth’s surface is referred to as magma. More than 50% of the world’s active volcanoes above sea level ...

The Hayli Gubbi volcano in the rural northeast of Ethiopia erupted November 23. Afar Communication Bureau via Facebook A volcano in northern Ethiopia erupted Sunday, marking its first known eruption ...

A long-quiet volcano in Ethiopia spewed ash nine miles into the sky on Sunday, marking the first known major eruption from this volcano for more than 12,000 years. Under-studied and situated in ...