We all depend on oxygen to survive, but about 3 billion years ago, there was barely any oxygen at all. When was the last time ...

Monitoring stations around Mount Adams noted nine earthquakes ranging from magnitude 0.9 to 2.0 near the volcano between ...

The Alaska Volcano Observatory said signs indicated a Mount Spurr eruption was likely, though not certain, in the weeks or ...

A volcano near Alaska’s largest city is showing new signs of unrest, with experts saying the likelihood of an eruption at ...

Mount Spurr, located about 75 miles West of Anchorage, has been acting up in recent weeks, prompting officials at the U.S. Geological Survey and Alaska Volcano Observatory to issue a yellow alert.

When the fuming and rumbling at Mount Spurr, a giant volcano northwest of Anchorage, started picking up in October, Alaska’s ...

Researchers have found that half of all active volcanoes are exposed to the risk of torrential rains linked to climate change ...

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis. Researchers ...

A swarm of earth tremors and fears of volcanic eruptions in January forced tens of thousands of people to move away from ...

The quake was the strongest in recorded history around the Phlegrean Fields, a sprawling area of ancient volcanoes that ...

Tell me if you’ve heard this one before: a volcano scientist who does her work in the middle of the Pacific Ocean—at the ...