Warm and Wet Past of Mars
July 18 , 2025
16 hrs 0 min
23
- NASA’s Curiosity rover has discovered siderite mineral deposits on Mars.
- It was offering crucial evidence of the planet’s warmer, wetter, and more habitable ancient environment.
- It was marking the first solid evidence of a carbon cycle on Mars.
- Siderite contains carbon and oxygen in the sulfate-rich layers of Martian rocks.
- This is the first time this mineral has been found on Mars.
- NASA’s Curiosity Rover is a robotic rover launched on November 26, 2011, aboard an Atlas V rocket and landed on Mars on August 5, 2012.
- It is part of NASA’s Mars Science Laboratory (MSL) mission.
- It was the first to use a sky crane landing system to reach the Martian surface.

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