New Data Suggests Earth's Water Did Not Come From CometsData shows water is more likely to have been brought to Earth by asteroids when our planet was still very young.
Researcher: It Is 'Likely Life Came To Earth On A Martian Meteorite'A researcher at the Westheimer Institute of Science and Technology presented evidence of life on Earth being brought to the planet by a meteorite from Mars at a geochemistry conference held Thursday.

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