Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

These studies show that Mars is bombarded by meteorites far more often than previously thought — about 2.5 times more ...

Scientists Ikuo Katayama from Hiroshima University and Yuya Akamatsu from the Research Institute for Marine Geodynamics ...

Continent-sized structures of mineral protruding from the lower mantle towards Earth's outer core may be contributing to an ...