- During the 1970s, the Viking probe went to Mars and found no evidence of any organic matter.
- Yet NASA recently announced its Curiosity rover had discovered complex organic molecules on the surface of Mars.
- It now seems Viking may have made the same discovery more than 40 years ago — then accidentally burned it up.
We’ve known since Curiosity’s expedition to Mars that the planet is home to complex organic molecules. Over the past few years, analysis provided by NASA’s most recent rover have enabled us to confirm this.
What’s special about the presence of these carbon-based compounds is that they’re considered a prerequisite for life — a promising sign for scientists.See the rest of the story at Business Insider
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