A lake near Oregon's Hoodoo Ski Area fills from melted snow and then drains into a lava tube, leaving a meadow.
When volcanoes erupt, it's often unexpected. How long does the eruption continue?
A volcano in Chile that had been inactive for over 50 years suddenly erupted twice in the space of hours, blasting huge clouds of ash into the air and forcing the evacuation of around 5,000 people.
Yellowstone's explosive secrets are uncovered after the discovery and imaging of a deep, gigantic reservoir of hot rock.
Carbon dioxide drastically affected Earth's climate in the distant past. Continue reading →
Stunning lightning storms inside of towering volcanic ash clouds created tiny glass balls.
People in Washington, Oregon and Idaho are pondering the origin of a mysterious ash shower last week. Continue reading →
The rise and fall of sea level during the past million years matches up with valleys and ridges on the seafloor, suggesting a link, two new studies find.
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