Add Yahoo as a preferred source to see more of our stories on Google. But 80 percent of land is made by volcanic activity—and the only place where you can see that new land being made is at a volcano.

Kīlauea volcano on Hawaii’s Big Island erupted on Tuesday in a nine-hour spectacular, shooting fountains of lava some 1,300 feet into the air, according to the U.S. Geological Survey (USGS).

In East Africa’s Afar Depression, one of the only places on Earth where three tectonic plates meet, scientists have found compelling new evidence that fresh lava from deep within the mantle is playing ...

Taftan volcano in southeastern Iran rose 3.5 inches over 10 months, signaling that it is waking up after 700,000 years of dormancy.

The liquid outer core is surrounded by the thick layer called the mantle. It’s mostly solid rock, not melted like lava. Over time, changes in heat and pressure make the solid rock slowly flow. It’s ...

On June 11, the 1,000-plus-foot lava blasts of Kīlauea, one of the world’s most active volcanoes, nearly lured one visitor to his death. A 30-year-old Boston man fell 30 feet from a steep cliff after ...

Scientists compare volcanic cones on Earth and Mars to explain how gas-rich magma forms scoria cones. Spacecraft observations and Earth analog sites provide evidence of similar eruptive processes.

The Kīlauea volcano on Hawaii’s Big Island erupted on Tuesday in a nine-hour spectacular in which it shot fountains of lava some 1,300 feet into the air, according to the U.S. Geological Survey.

Land is one of those things that can disappear even as you see it. It falls away beneath you, becoming merely the ground under your feet, because you’re thinking about where you’re going, or a place ...