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Carbon dioxide rivers? Ancient Mars liquid may not all have been water

Scientists are rethinking a long-held belief that the liquid responsible for shaping Mars' surface must have been water.

Space · Dec 11, 2024

Does non-carbon-based life exist?

Why are all living things carbon-based? Could extraterrestrial life instead be based on something like silicon?

Salon · Dec 20, 2023

Mars rover Perseverance sets new record for making oxygen on Red Planet

Earlier this month, the MOXIE oxygen-making experiment on the Perseverance Mars rover achieved a major milestone.

Space · Jun 28, 2023