Somewhere in the galaxy, a rocky, blue-green planet like Earth, teeming with oxygen, water and life, might be orbiting its own sun. Jamie Lloyd wants to find it.
Up until recently, none of the known exoplanets were terrestrial -- most are gas giants, like Jupiter and Saturn. But in recent weeks, a French-led team of scientists announced the discovery of the first confirmed rocky exoplanet, named CoRoT-7b. Calling this planet "Earthlike," however, would be a stretch, Lloyd said. Full Story
Researcher Hunts for New Planets, Seeking Clues on Solar System's Origin