Add Yahoo as a preferred source to see more of our stories on Google. Mars has shone red in the night sky for as long as humans have gazed up at the cosmos, fascinating people from the ancient Romans to the present day. "The fundamental question of why ...

Mars Struggles to Replace M&M's Blue Dye

What can Mars’ red hue that’s been observed for thousands of years teach us about when water existed on its surface potentially millions, or even billions, of years ago? This is what a recent study published in Nature Communications hopes to address as ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

We’ve always known Mars as the Red Planet — but it turns out, we may have had the reason why wrong. If so, it could revise much of what we know about the history of our smaller neighbor planet. In a study published Feb. 25 in Nature Communications ...

Mars' distinctive red color comes from the mineral ferrihydrite, which only forms in the presence of cool water, a new study claims. Ferrihydrite also forms at a lower temperature than other minerals that make up the aptly-named red planet’s surface ...

Remote-sensing images of Mars contain rich information about its surface morphology, topography, and geological structure. These data are fundamental for scientific research and exploration missions of Mars. Prior to China's first Mars exploration mission ...

We may have been wrong about how Mars got its characteristic red hue, a new study reveals. The Red Planet owes its ruddy complexion to rusted iron minerals, dispersed across billions of years by winds, throughout the planet's dust. Past spacecraft ...

(CNN) — With its iconic rusty hue, Mars has long been called the red planet. Now, scientists may have discovered the potential source of that distinctive coloring, overturning a popular theory in the process. Mars is one of the most well-studied planets ...

NASA's Mars rover Curiosity has captured a magnificent postcard from the Red Planet — a 360-degree color view that offers a glimpse of the rover's colorful and apparently diverse surroundings. Curiosity, which is also known as the Mars Science Laboratory ...

PASADENA, CALIF. — Less than a year since beginning the prime science phase of its mission, NASA’s Mars Reconnaissance Orbiter has passed a mission-success milestone for the amount of data returned. The data-volume target of 26 terabytes, which was ...