Planets without plate tectonics could still be habitable

It has been thought that plate tectonics were a significant factor in the shaping of our planet and the evolution of life. Mars and Venus don't experience such movements of crustal plates, but then the differences between ...

Microbes likely form magnetite in the South China Sea

Magnetite, the most magnetic mineral on Earth, is increasingly being found in seafloor environments that are rich in iron and have high methane flux. But how it forms in such settings—whether by microbes that thrive near ...

Improved imaging offers new insight into Mount Etna

With a technique called seismic tomography, researchers use the shape of traveling seismic waves from nearby or distant earthquakes to create 3D images of inner Earth, allowing them to "see" hundreds of kilometers below the ...

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