People from cultures across the world have been looking at Mars since ancient times. Because it appears reddish, it has often been called the red planet. Your blood is also red because of a mixture of ...

Siccar Point, photographed by the Curiosity rover, is near Mars' Gale Crater. NASA/JPL-Caltech/MSSS; Processing & License: Kevin M. Gill People from cultures across the world have been looking at Mars ...

Mars has captivated scientists and the public alike for centuries. One of the biggest reasons is the planet’s reddish hue, earning the fourth rock from the sun one of its most popular nicknames — the ...

We all know Mars is called “The Red Planet,” but have you ever stopped to wonder—why is it red? The classic joke explanation has been, “It’s rusty.” While that’s not entirely wrong, the truth is far ...

It’s not martian regolith, bu it’s the closest chemical match available to the dirt in Gale Crater. (Image: Swinburne University) Every school child can tell you these days that Mars is red because it ...

For centuries, Mars’ deep ochre glow has been a riddle written across the night sky. Now, a convergence of spacecraft observations and laboratory experiments has recast that familiar color as a relic ...

David Joffe receives funding from the NASA Office of STEM Engagement through a grant from the Georgia Space Grant Consortium People from cultures across the world have been looking at Mars since ...