Tephras -- rock fragments and particles ejected by a volcanic eruption.

Climate change could increase volcano eruptions

The movement of seismic waves through the material of the mantle allows scientists to image Earth's interior, just as a medical ultrasound allows technicians to look inside a blood vessel

Mysterious deep-Earth seismic signature explained

This image shows a visual representation of one of the highest-energy neutrino detections superimposed on a view of the IceCube Lab at the South Pole

How the Earth stops high-energy neutrinos in their tracks

The hydrothermal circulation changes the ocean crust and increases the Chlorine (CL) concentration of the rocks by incorporation of sea water

Water cooling for the Earth’s crust

This image from NASA's Mars Curiosity rover shows the Amargosa Valley, on the slopes leading up to Mount Sharp on Mars

Ice shapes the landslide landscape on Mars

This HiRISE image cutout shows Recurring Slope Lineae in Tivat crater on Mars in enhanced color

Water On Mars? : Previous evidence of water on Mars now...

Moon crust formation graphic.

Moon’s crust underwent resurfacing after forming from magma ocean

Riverbed armor

How Rivers Resist Erosion

Photo of early stages of the eruption of the Sarychev on June 12, 2009

High-latitude volcanic eruptions have global impact

Fossil of Dipteronia brownii and extant Dipteronia browni

First Recorded Fossil of Dipteronia in East Asia Reported from Yunnan

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