The discovery of pale, loose rocks on the Martian surface could suggest that Mars was once a much warmer world.
Frigid water helped paint Mars red and may have shaped a vast coastline, two new studies into the planet’s history reveal. Scientists have detected a possible ancient beach in Mars’ northern ...
"Mars is still the Red Planet. It’s just that our understanding of why Mars is red has been transformed." Mars is widely known for its iconic rusty red color — many people even refer to it as ...
Despite the fact that scientists have now sent more spacecraft to Mars than any other extraterrestrial planet, the world contains much more to learn—even regarding its most iconic feature.