Oxidized iron is responsible for the colour of rocks on Earth similar to those found on Mars. It is also what makes the blood red. The green tinge is also common in rocks on our planet.

Mars’s signature red hue may not be due to hematite, as previously believed, but rather to ferrihydrite — an iron oxide that requires water to form. Using a combination of spacecraft data and ...

Right now, Mars is a reddish desert landscape – attractive but dead, and certainly not home to any little green men. Other nearby planets offer even less hope. Mercury is a scorched rock too ...

Mars has 30% less gravity than Earth, which could lead to weakened muscles and brittle bones. These conditions may pose serious health risks, particularly for women during childbirth, as Dr ...

In that investigation, Curiosity captured images over the course of 16 minutes on January 17, or Sol 4426 on Mars. The images show reddish-green clouds in the Martian twilight. The clouds are ...

However, Dr. Scott Solomon, a biologist at Rice University, sees drastic mutations in humans born on Mars, potentially leading to green skin, weaker eyesight, and brittle bones due to radiation an ...