For centuries, the true nature of the Moon’s core remained an open question. Was it entirely molten, like the early Earth, or ...

The Earth is made of different layers: the core, mantle and crust. Plate tectonic theory shows that the crust of the Earth is split into plates (pieces of the Earth’s crust). The movement of ...

Venus is a Victim of a Rampant Greenhouse Effect Venus's atmosphere is made mostly of carbon dioxide, one of the greenhouse ...