Most of the atmosphere is nitrogen (80%) with around 20% oxygen and other trace gases. The Earth has a layered structure made up of the crust, the mantle, the outer core and the inner core.

Using the ESPRESSO instrument on ESO’s Very Large Telescope (VLT), scientists have been able to prove into its atmosphere, revealing its 3D structure. This is the first time that this has been ...

The Earth has a layered structure made up of the core, the mantle and the crust. Different elements are present in different parts of the Earth’s structure. The crust is made from enormous ...