The enigmatic dark streaks called recurring slope lineae (RSL) that appear seasonally on steep, relatively warm Martian slopes are probably caused by salty liquid water, researchers said.
Find out everything there is to know about Mars and stay updated on the latest Mars news with the comprehensive articles, interactive features and Mars pictures at LiveScience.com. Learn more about this fascinating planet as scientists continue to make amazing discoveries about Mars.
Curiosity captured the images, which mission team members combined into a Martian sunset video, with its Mast Camera between dust storms on April 15, NASA officials said.
Solid signs of alien life will be spotted within 10 years, and definitive evidence will roll in within 20 to 30 years, NASA chief scientist Ellen Stofan said Tuesday (April 7).
Material blasted off Mars from meteor impacts may have scarred the surface of Phobos, one of the Red Planet's two tiny moons, a new study suggests.
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