This move is a response to a 2022 color additive ... ingredients label to see if Red No. 3 is in any foods you plan to consume. Related: Unsafe Levels of Lead and Cadmium Found in 47% of Protein ...

Together, orbiters and landers have provided scientists with data showing that Mars’ red color comes from rusted iron minerals within the dust that coats the planet. At some point, iron within ...

Now, new research, published Feb. 25 in the journal Nature Communications, contests this view.Instead, Mars' red color is better matched by ferrihydrite — an iron oxide that contains water ...

we know that this red color is due to rusted iron minerals in the dust. That is, iron bound up in Mars's rocks has at some point reacted with liquid water, or water and oxygen in the air ...