And in its own way, the planet’s rusty red surface tells a story of destruction. Billions of years ago, the fourth planet from the sun could have been mistaken for Earth’s smaller twin ...

Just like filters, it can be useful to think about the primary colours of light when working out which colour of light will be reflected by a surface. If cyan light shines at a red surface ...

During its opposition, Mars also gets the sun's full glare, as seen from Earth. That makes the Red Planet's surface features more easily observed by amateur astronomers and astrophotographers ...