Titan, Saturn's largest moon, is a fascinating world that is unique among moons of the outer solar system. It's shrouded in a ...

Scientists have long thought that tectonic plates needed to dive beneath each other to create the chemical fingerprint we see ...

The answer is subduction. In locations around the world, ocean crust subducts, or slides under, other pieces of Earth's crust. The boundary where the two plates meet is called a convergent boundary.

about 40 kilometers thick in continents and 6 km in ocean basins, is too thin and cool to support convection, Solomatov explained. But he suspected the crust of Venus might have the right thickness ...