It is also the thickest section at approximately 2900 km thick ... the crust has cracked and split into many different pieces called tectonic plates. These plates can be oceanic, meaning they ...

New oceanic crust is formed at mid-ocean ridges by melting the mantle, leading to a uniform crustal thickness. These oceanic plates are consumed back into the mantle at subduction zones, where we ...

Although Mars lost its surface oceans billions of years ago, a new study from UC Berkeley suggests that there’s lots of water ...