"Returning the scientifically selected samples that await us on Mars, as part of a balanced portfolio, will help to ensure ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient ...

The images and data being collected are already raising new questions about how the Martian surface was changing billions of ...

The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, ...

Mars appears red due to iron oxide, similar to rust and even human blood Probes reveal Mars is more tan or brown than red ...

Mars, the fourth planet from the sun, is a dry, rocky world. Its famous red color has earned it the nickname the Red Planet. Mars has fascinated people throughout history, and today, it is one of ...

New images from NASA's Curiosity Mars rover show the first close-up views of a region scientists had previously observed only ...

New research suggests ancient Red Planet precipitation was a lot like Earth It's hard to figure out if Mars was “warm and wet” in its ancient past, but climate models give us clues.

The Red Planet's sky glows green—and makes history By Ariana Garcia , Assistant News Editor May 15, 2025 An artist's impression of what a green nightglow might look like in the polar winter ...