We're big fans of the Gliese 581 system here at DVICE. It's been a treasure-trove of potentially habitable exoplanets, and the latest data boosts one of them, Gliese 581g, up to a whopping 0.92 on the Earth Similarity Index. Yes, we now have one of those.
Exoplanet Gliese 581g hits 0.92 on Earth Similarity Index
July 25th, 2012