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Carbon dioxide emissions from rising magma is one of the earliest signs that a volcano is waking up, but measuring it directly is notoriously difficult. Reading time 2 minutes Forecasting volcanic ...

Volcanoes rarely erupt without warning, but the signals they send are often subtle, scattered and easy to miss. Now a new line of research suggests the forests that cloak many volcanoes quietly record ...

Scientists have discovered that trees near volcanoes change color when a volcano is becoming more active. Now, NASA and the Smithsonian Institution are teaming up to track these changes from space.

We spoke to gardening experts about what volcano mulching is, why you want to avoid it, and tips for how to apply mulch.