We may have been wrong about how Mars got its characteristic red hue, a new study reveals. The Red Planet owes its ruddy complexion to rusted iron minerals, dispersed across billions of years by winds ...

It may seem like a trivial pursuit to argue over whether a dress is blue and black, or white and gold, but the question of color balance can apply to weightier matters as well — such as whether ...

Scientists might have been wrong about perhaps the most obvious thing about Mars: the red colour behind its nickname ...

Mars' distinctive red color comes from the mineral ferrihydrite, which only forms in the presence of cool water, a new study claims. Ferrihydrite also forms at a lower temperature than other minerals ...