- As scientific mysteries go, this is the big one. How did life on Earth begin? Not how did life evolve, but how did it start in the first place? What was the initial spark that lit the fire of evolution? Full story:
* Did Earth Once Share Its Orbit with a Mars-Sized Planet? New Kepler Data Suggests "Yes"... CHUNK OF ORIGINAL EARTH FOUND... A Late Birth for the Earth and Moon... Modern Science and the Ancient Writings on the Genesis of the Solar System...Silver tells a volatile story of Earth's origin: Water was present during its birth... Scientists finds evidence of water ice on asteroid's surface...The Moon may have formed in a nuclear explosion:
