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Mars' red color explained by surprising new researchNew 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.
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NASA rover discovers liquid water 'ripples' carved into Mars rock — and it could rewrite the Red Planet's historyNASA's Curiosity rover photographed remnants of rippling waves in an ancient Martian lakebed, proving that the Red Planet had open water for longer in its history than previously thought.
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Space photo of the week: Dry ice 'geysers' erupt on Mars as spring hits the Red PlanetNASA shares an iconic image of carbon dioxide ice erupting in geysers when Martian winter turns to spring.
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Mars quiz: Is your knowledge of the Red Planet out of this world?Quiz Think you know Mars? Test your knowledge of our neighboring planet's size, surface, history and more.
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We may finally know what causes Mars' gigantic, planet-wide dust stormsMars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' dust storms, a new study suggests.
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'Marsquakes' may solve 50-year-old mystery about the Red PlanetData collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" that splits the Red Planet into two distinct halves.
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How to watch the full Wolf Moon 'swallow' Mars in the sky tonight — no telescope requiredTonight (Jan. 13), bright Mars will disappear behind the full Wolf Moon for several hours before reappearing on the other side. It's the only lunar occultation of Mars visible from the U.S. this year. Here's how to get the most out of it.
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Giant 'kidney beans' spotted in Mars satellite images could point to signs of water and lifeA NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them can help us determine if there was ever enough water on Mars to sustain life.
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Mars at opposition: See the Red Planet at its best and brightest this week — or wait until 2027As Mars approaches opposition this week, it will become a dazzling spectacle in the night sky. See it at its best now, or wait until 2027.
