Volcanoes as referees for life on Earth

At the Triassic-Jurassic boundary, 200 million years ago, some 60 percent of species living on Earth disappeared. Scientists suspected that magmatic activity and the release of CO2 were responsible for this environmental ...

Waves of lava seen in Io's largest volcanic crater

Taking advantage of a rare orbital alignment between two of Jupiter's moons, Io and Europa, researchers have obtained an exceptionally detailed map of the largest lava lake on Io, the most volcanically active body in the ...

How a young-looking lunar volcano hides its true age

While orbiting the Moon in 1971, the crew of Apollo 15 photographed a strange geological feature—a bumpy, D-shaped depression about two miles long and a mile wide—that has fascinated planetary scientists ever since. Some ...

Mars volcano, Earth's dinosaurs went extinct about the same time

New NASA research reveals that the giant Martian shield volcano Arsia Mons produced one new lava flow at its summit every 1 to 3 million years during the final peak of activity. The last volcanic activity there ceased about ...

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