The sun has two planets in its Goldilocks zone: the Earth and Mars. The crucial difference: a magnetic field that protects us from the sun’s radiation and makes liquid water - and life - possible on Earth.

Earth’s magnetosphere protects us from harmful radiation in space, but scientists have just found a crack in it. Are we doomed?

The whole world is pretty excited right now due to the efforts of several different agencies that are focused on carrying out manned missions to Mars and then to try and create a new home for ourselves