Every day, blocks of cooling rock tumble from the edges of a growing lava dome near the top of Great Sitkin Volcano, a ...

The Alaska Volcano Observatory has raised Mount Kupreanof to yellow advisory status after earthquakes and gas emissions ...

The Alaska Volcano Observatory raised Kupreanof Volcano's alert level to Advisory and its aviation color code to Yellow on ...

Scientists worry that recent activity seen on a satellite at a volcano near a major U.S. city could spell disaster for ...

Volcanoes are Earth’s geologic architects. They’ve created more than 80 percent of our planet’s surface, laying the foundation that has allowed life to thrive. Their explosive force crafts mountains ...

Scientists predict there is a one in six chance of a massive eruption this century, but what impacts would such an event ...