Life on Earth: From Space

Scientists, aerospace engineers, and astronauts are studying how Earth came into existence by gathering data from hundreds of satellites. From Earth's early days, when its surface was a hellish ocean of molten rock, to the bombardment of meteors that brought water and the ingredients for life, witness its 4.5-billion-year journey and discover fresh insights into its epic history. This is the remarkable story of Earth from a truly unique vantage point.