Mars

The Two-Way
10:33 am
Thu August 29, 2013

Are We Martians? Scientist Says We Just Might Be

Mars: Our "home" planet?
NASA Getty Images

Originally published on Thu August 29, 2013 10:15 am

As Adam Frank has said over on the 13.7 blog, "Earth and Mars have been swapping spit (astrobiologically speaking) for eons ... [and] it is entirely possible we were Earth's first alien invasion."

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