What makes Mars the 'Red' Planet? Scientists have some new ideas - Space.com

What makes Mars the 'Red' Planet? Scientists have some new ideas  Space.comDetection of ferrihydrite in Martian red dust records ancient cold and wet conditions on Mars  Nature.comMars Is Red, But Maybe Not For The Reasons We Thought  IFLScienceNew research upends theory about why Mars is red, scientists say  CNNNASA: New Study on Why Mars is Red Supports Potentially Habitable Past  NASA