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Layered lava flows within the Wai Subgroup from near Ambenali Ghat, Western Ghats.
Dinosaur

Do volcanoes or an asteroid deserve blame for dinosaur extinction?

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Basaltic dykes with a newly determined Age of 619 Million years in Novillo Gneiss, Tamaulipas (Mexico).
Volcanoes

A volcanic binge and its frosty hangover

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Dinosaur

New species of tiny tyrannosaur foreshadows rise of T. rex

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Adzebill skeleton
Fossils

Origins of giant extinct New Zealand bird traced to Africa

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Earth

Earth may be 140 years away from reaching carbon levels not...

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Scientists excavate a dinosaur bone bed along the Colville River.
Dinosaur

Marsupial lived among Arctic dinosaurs

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Brimham Rocks
Geologic Sites

Brimham Rocks, England

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video
Video

Debris Flow Dynamics

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Graphic showing the Transition Zone inside the Earth Princeton seismologist Jessica Irving worked with then-graduate student Wenbo Wu and another collaborator to determine the roughness at the top and bottom of the transition zone, a layer within the mantle, using scattered earthquake waves. They found that the top of the transition zone, a layer located 410 kilometers down, is mostly smooth, but the base of the transition zone, 660 km down, in some places is much rougher than the global surface average. “In other words, stronger topography than the Rocky Mountains or the Appalachians is present at the 660-km boundary,” said Wu. NOTE: This graphic is not to scale. Credit: Kyle McKernan, Office of Communications
Earth

Massive Bolivian earthquake reveals mountains 660 kilometers below our feet

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Mount Agung
Volcanoes

Satellite images reveal interconnected plumbing system that caused Bali volcano to...

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