Did NASA Find Earth’s Twin? [Video]
NASA's planet-hunting Kepler spacecraft has confirmed the discovery of its first alien world in its host star's habitable zone — that just-right range of distances that could allow liquid water to exist — and found more than 1,000 new exoplanet candidates, researchers announced Monday.
Read the rest at MSNBC.com
Visit msnbc.com for breaking news, world news, and news about the economy