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What Happened to Mars’ Lost Atmosphere? New Clues May Explain Why It Disappeared.
Scientists have pondered why Mars seemed to be missing sufficient carbonates indicative of its warm, wet past. Now, NASA’s ...
Space.com2d
NASA's Curiosity rover finds major clue that Mars was once habitable
NASA's Curiosity rover has found iron-rich carbonates on Mars, offering new clues about the planet's ancient climate and potential habitability.
Earth.com3d
Curiosity finally found Mars' missing carbon: 'Surprising and important breakthrough'
NASA’s Curiosity rover discovered siderite in Gale Crater. This shows Mars had a partial carbon cycle, storing and releasing ...
NASA’s Curiosity Rover Digs Up a Carbon Time Capsule on Mars
A treasure trove of clues from Curiosity reveals that ancient Mars once trapped massive amounts of CO2 in its crust, thanks to surprising concentrations of iron carbonate deep in Gale Crater. By ...
Scientists found a potential sign of life on a distant planet – an astronomer explains why many are still skeptical
(THE CONVERSATION) A team of astronomers announced on April 16, 2025, that in the process of studying a planet around another star, they had found evidence for an unexpected atmospheric gas. On Earth, ...