vulcanism

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Volcano Eruptions Led to Rise of Dinosaurs

The lava all but wiped out main competitors

(Newser) - An explosion of volcanic activity 200 million years ago may have been responsible for the mass extinction that left dinosaurs with few competitors and allowed them to dominate the Earth for almost 150 million years. Researchers have discovered evidence of massive lava flows concurrent with elevated levels of CO2 in...

Lava Spotted on Mercury
 Lava Spotted on Mercury 

Lava Spotted on Mercury

NASA flybys uncover planet's secrets

(Newser) - A spacecraft studying the planet Mercury has discovered evidence of enormous volcanic eruptions. The scale of the volcanic activity has astonished scientists, according to the National Geographic News. Images from the Messenger spacecraft reveal 3,600 cubic miles of solid lava inside a single crater—enough to drown the entire...

2 Stories