Finding widens selection of rocky planets that may once have been habitable Mars once had rivers of magma bubbling beneath its crust, new research suggests. The surprise find makes it more probable that Mars could have supported life and widens the selection of rocky planets that may once have b...

Source: [Guardian Science](https://www.theguardian.com/science/2026/jul/22/magma-rivers-beneath-mars-crust-study)

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