Although these frosty fields look like a picturesque winter wonderland blanketed in snow, this ice is actually composed of frozen carbon dioxide over the southern Australe Scopuli region of Mars. The ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Mars may seem like ...

Five to ten million years ago an asteroid smashed into Mars. It created a massive crater and propelled a chunk of ancient Martian crust into space as a new meteorite, which eventually crashed into ...

Direct to you from my childhood comes this early-70s clip from “Sesame Street,” extolling Martian beauty, as well as the number 9. Explore more on these topics Share this story Subscribe and interact ...