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

Mars, a planet once capable of sustaining liquid water and harboring flowing rivers, today stands as a frozen desert. For ...

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were ...

NASA’s Viking mission identified – among many other fascinating things – some curious dark streaks following downward slopes on Mars’s surface. Though we have yet to discover what those streaks ...

Mars may soon welcome explorers seeking ice deposits crucial for human survival. Recent findings suggest significant ice ...

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

NASA’s Mars Orbiter is rolling 120° to help see beneath the surface - and it’s revealing clearer signs of ice, rock, and ...

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

Arsia Mons, which dwarfs Earth's tallest volcanoes, and its two neighboring volcanoes are often surrounded by water ice clouds, especially in the early morning. The image released Friday marks the ...

The results of a study into thousands of 'slopes' found by NASA on Mars' surface has left scientists surprised. The planet, ...

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above some clouds before dawn. It’s twice as tall as Earth’s largest volcano ...

Without resolving the planet’s surface or somehow communicating with its inhabitants, it was premature to speculate about what forms of life might exist on Mars.