A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.

Learn of volcanoes impact on NW geology, culture in "Under Pressure: A Volcanic Exploration," opening Saturday at High Desert ...

Yellowstone National Park, renowned for its geothermal features and volcanic history, is beginning to show signs of renewed activity after remaining inactive for approximately 160,000 years. Recent ...

The Moon has long been treated as a geologically dead world, a frozen relic that finished erupting billions of years ago. A wave of new data is now challenging that assumption, pointing instead to a ...

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Since 2000, specialists at the National Museum of Natural History have produced the world’s foremost report on active volcanoes Sally Sennert Did you know that there are between 40 and 50 volcanoes ...

The Taftan volcano in Iran frequently expels gas, but has not erupted. A volcano that has been dormant for hundreds of thousands of years could be gearing up for a massive explosion, according to new ...

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 ...

Natural disasters, from wildfires, floods and mudslides in western states to large earthquakes in Japan, have rocked, burned and flooded parts of the world in the first months of 2025. What’s next?

A volcano that has been dormant for hundreds of thousands of years could be gearing up for a massive explosion, according to new research. Scientists have measured signs of unrest at the Taftan ...