A key property of Earth is that its core has a solid center and liquid outer core. Convection within the liquid layer creates a dynamo, producing the magnetic field. The field deflects charged ...

A color-enhanced view of Mercury produced by using images from color base map imaging, showing the chemical, mineralogical, and physical differences between the rocks that make up Mercury’s surface.

Scientists have discovered that Mars has an interior structure similar to Earth’s. Results from Nasa’s Insight mission suggest that the red planet has a solid inner core surrounded by a liquid outer ...