Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Is Mars really as red as people say it is? – ...

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 ...

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 ...

New research has revealed that Martian dust's red hue comes from reactions that occurred in wet — not dry — conditions, and it could have implications for the possibility of life on the planet. When ...

(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 ...

Earthlings have known about the existence of Mars, the fourth planet from the sun it also orbits, since ancient times. Although the celestial body is located 140 million miles away from Earth, there’s ...

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.

The first thing most people think of when they consider Mars is its deep red color. The Romans associated the planet with their god of war because it reminded them of blood while the Egyptians called ...

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 is red has ...

"Mars and its secrets have fascinated and mystified humans since ancient times. Its vivid color and visibility to the naked eye, its geologic kinship with Earth, its potential as our best hope for ...

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 ...