For centuries, Mars has captivated the human imagination. Its reddish appearance has earned it the nickname “The Red Planet,” but is it really as red as we’ve been led to believe? While Mars certainly ...

People from cultures across the world have been looking at Mars since ancient times. Because it appears reddish, it has often been called the red planet.

Mars appears red due to iron oxide, similar to rust and even human blood Probes reveal Mars is more tan or brown than red ...

Riefler landed on the idea of extracting iron oxide from the polluted water and turning it into color pigments, which could be sold to further fund the clean-up of AMD.

His trials were unsuccessful. Then he met Riefler. Riefler had also been toying with the idea of pulling iron oxide from the water and turning it into color pigments.