A rock containing many smaller round stones could indicate that there was once a large amount of liquid water on the Red Planet.

The heat of molten rock usually incinerates organisms rather than preserving ... which generally destroys any fossils that were in the rock before it was metamorphosed. For example, marble is created ...

During the 2021 eruption, we saw chunks of molten rock the size of cars cartwheel ... a part of the Earth that we don't normally get to sample: the boundary between the crust and mantle.

For example, the Reykjanes eruptions seem to take ... This chemistry gives the molten rock a unique chemical fingerprint that can act like a tracer. They spotted this fingerprint during the ...

The Krafla Magma Testbed (KMT) aims to create the world's first research center above a magma chamber to monitor, sample, and test the molten rock in situ for the first time. The center ...

For example, the magma nearest the surface of the Yellowstone Caldera contains a lot of silica, which lends the molten rocks a sticky, viscous, and slow-moving quality. The geologists’ magma-mapping ...

A new NASA study reveals a surprising way planetary cores may have formed—one that could reshape how scientists understand the early evolution of rocky planets like Mars.