Today - Curiosity scientist: 50/50 chance of life on Mars - ³ÉÈË¿ìÊÖ Sounds

Today - Curiosity scientist: 50/50 chance of life on Mars - ³ÉÈË¿ìÊÖ Sounds

Today

Curiosity scientist: 50/50 chance of life on Mars

NASA's Curiosity rover has detected increased levels of methane on Mars.

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