Mars has been red for millions of years longer than previously ... realistic dust grain size equivalent to 1/100th of a human ...

If you're one of the many people who have wondered exactly why the planet Mars has a red color — so red, in fact, that it's known as the Red Planet — you're in for some interesting revelations.

A recent study has revealed that the red color of Mars is due to ferrihydrite, an iron oxide mineral. This finding suggests that Mars once had liquid water. NASA’s Perseverance rover ...

A recent international study reveals that the Mars' iconic red hue is likely due to the iron mineral ferrihydrite, which requires water to form. This suggests Mars had a wetter, more habitable past.

Experts have found long carbon chains, containing up to 12 consecutive atoms, in samples of Martian rock which date back billions of years. These organic molecules – the longest identified so ...

“We’re not the first to consider ferrihydrite as the reason for why Mars is red, but it has never been proven the way we proved it now using observational data and novel laboratory methods to ...